Home / 3,932.90-5,900.55-1,337.66

Finding the Fourth Proportional to 3,932.90, 5,900.55 and 1,337.66

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Solution

The fourth proportional to 3,932.90, 5,900.55 and 1,337.66 is: 2,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.90 : 5,900.55 = 1,337.66 : x
  2. Step 2: Convert to fraction form
    3,932.90/5,900.55 = 1,337.66/x
  3. Step 3: Cross multiply
    3,932.90x = 5,900.55 × 1,337.66
  4. Step 4: Simplify right side
    3,932.90x = 7,892,929.71
  5. Step 5: Solve for x
    x = 7,892,929.71/3,932.90
  6. Step 6: Final answer
    x = 2,006.90

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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.