Home / 3,717.10-5,575.68-1,119.88

Finding the Fourth Proportional to 3,717.10, 5,575.68 and 1,119.88

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Solution

The fourth proportional to 3,717.10, 5,575.68 and 1,119.88 is: 1,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.10 : 5,575.68 = 1,119.88 : x
  2. Step 2: Convert to fraction form
    3,717.10/5,575.68 = 1,119.88/x
  3. Step 3: Cross multiply
    3,717.10x = 5,575.68 × 1,119.88
  4. Step 4: Simplify right side
    3,717.10x = 6,244,092.52
  5. Step 5: Solve for x
    x = 6,244,092.52/3,717.10
  6. Step 6: Final answer
    x = 1,679.83

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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.