Home / 3,934.80-5,902.68-1,337.04

Finding the Fourth Proportional to 3,934.80, 5,902.68 and 1,337.04

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Solution

The fourth proportional to 3,934.80, 5,902.68 and 1,337.04 is: 2,005.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.80 : 5,902.68 = 1,337.04 : x
  2. Step 2: Convert to fraction form
    3,934.80/5,902.68 = 1,337.04/x
  3. Step 3: Cross multiply
    3,934.80x = 5,902.68 × 1,337.04
  4. Step 4: Simplify right side
    3,934.80x = 7,892,119.27
  5. Step 5: Solve for x
    x = 7,892,119.27/3,934.80
  6. Step 6: Final answer
    x = 2,005.72

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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.