I NEED THIS ASAP PLEASE
A chess board is made using the ratio of square length to king's height, 2.5 inches to 4.5 inches. If a chess board is made with a king's height of 2.25 inches, what is the length of the square?
A: 0.75 inch
B: 1.25 inches
C: 2.25 inches
D: 4.75 inches