Home / 3,132.13-4,697.79-1,489.72

Finding the Fourth Proportional to 3,132.13, 4,697.79 and 1,489.72

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Solution

The fourth proportional to 3,132.13, 4,697.79 and 1,489.72 is: 2,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.13 : 4,697.79 = 1,489.72 : x
  2. Step 2: Convert to fraction form
    3,132.13/4,697.79 = 1,489.72/x
  3. Step 3: Cross multiply
    3,132.13x = 4,697.79 × 1,489.72
  4. Step 4: Simplify right side
    3,132.13x = 6,998,374.39
  5. Step 5: Solve for x
    x = 6,998,374.39/3,132.13
  6. Step 6: Final answer
    x = 2,234.38

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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.