Home / 3,387.40-5,082.32-1,537.08

Finding the Fourth Proportional to 3,387.40, 5,082.32 and 1,537.08

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Solution

The fourth proportional to 3,387.40, 5,082.32 and 1,537.08 is: 2,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.40 : 5,082.32 = 1,537.08 : x
  2. Step 2: Convert to fraction form
    3,387.40/5,082.32 = 1,537.08/x
  3. Step 3: Cross multiply
    3,387.40x = 5,082.32 × 1,537.08
  4. Step 4: Simplify right side
    3,387.40x = 7,811,932.43
  5. Step 5: Solve for x
    x = 7,811,932.43/3,387.40
  6. Step 6: Final answer
    x = 2,306.17

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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.