Finding the Fourth Proportional to 1,489.08, 2,234 and 515.24
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Solution
The fourth proportional to 1,489.08, 2,234 and 515.24 is: 772.99
Step by Step Solution
- Step 1: Write the proportion equation
1,489.08 : 2,234 = 515.24 : x - Step 2: Convert to fraction form
1,489.08/2,234 = 515.24/x - Step 3: Cross multiply
1,489.08x = 2,234 × 515.24 - Step 4: Simplify right side
1,489.08x = 1,151,046.16 - Step 5: Solve for x
x = 1,151,046.16/1,489.08 - Step 6: Final answer
x = 772.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.