Answer:
In other words, 740 is 22% of "some number."
"per cent" means "out of 100." So...
Set up a proportion: 22/100 = 740/n
Cross-multiply so that 22n = 74,000
Then divide both sides by 22 to get...
n = 3363.6, but since you can't have .6 of a person, round up to 3364.
Hope this helps!