Home / 3,902.13-5,851.89-1,127.88

Finding the Fourth Proportional to 3,902.13, 5,851.89 and 1,127.88

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Solution

The fourth proportional to 3,902.13, 5,851.89 and 1,127.88 is: 1,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.13 : 5,851.89 = 1,127.88 : x
  2. Step 2: Convert to fraction form
    3,902.13/5,851.89 = 1,127.88/x
  3. Step 3: Cross multiply
    3,902.13x = 5,851.89 × 1,127.88
  4. Step 4: Simplify right side
    3,902.13x = 6,600,229.69
  5. Step 5: Solve for x
    x = 6,600,229.69/3,902.13
  6. Step 6: Final answer
    x = 1,691.44

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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.