Finding the Fourth Proportional to 1,343.36, 2,016 and 574.08
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Solution
The fourth proportional to 1,343.36, 2,016 and 574.08 is: 861.53
Step by Step Solution
- Step 1: Write the proportion equation
1,343.36 : 2,016 = 574.08 : x - Step 2: Convert to fraction form
1,343.36/2,016 = 574.08/x - Step 3: Cross multiply
1,343.36x = 2,016 × 574.08 - Step 4: Simplify right side
1,343.36x = 1,157,345.28 - Step 5: Solve for x
x = 1,157,345.28/1,343.36 - Step 6: Final answer
x = 861.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.