Question

How can you check to see if two ratios form a proportion? Explain the method you used to find the answer to the previous problem.

Answer 1

Write a proportion using the ratios. Find the cross products. If the cross products are equal, then the ratios form a proportion.

Explanation:

Answer 2

a/b=c/d if a*d=b*c

Ex 2/3=4/6 because 2*6=3*4