Answer:
3 3/16
Explanation:
You want s such that ...
(2 1/2)/(3 1/3) = s/(4 1/4)
Multiplying by 4 1/4 gives ...
s = (4 1/4)(2 1/2)/(3 1/3)
A calculator can help you find the value of this expression. As a decimal, it is ...
3.1875
If you're familiar with decimal equivalents of fractions, you know this can be written as the mixed number ...
3 3/16
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If you do the above math the "pencil and paper" way, you get ...
s = (17/4)(5/2)/(10/3) = (17·5·3)/(4·2·10) = 51/16 = 3 3/16