Finding the Fourth Proportional to 2,288.43, 3,433.97 and 972.09
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Solution
The fourth proportional to 2,288.43, 3,433.97 and 972.09 is: 1,458.70
Step by Step Solution
- Step 1: Write the proportion equation
2,288.43 : 3,433.97 = 972.09 : x - Step 2: Convert to fraction form
2,288.43/3,433.97 = 972.09/x - Step 3: Cross multiply
2,288.43x = 3,433.97 × 972.09 - Step 4: Simplify right side
2,288.43x = 3,338,123.04 - Step 5: Solve for x
x = 3,338,123.04/2,288.43 - Step 6: Final answer
x = 1,458.70
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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.