Home / 3,400.20-4,691.42-2,073.82

Finding the Fourth Proportional to 3,400.20, 4,691.42 and 2,073.82

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Solution

The fourth proportional to 3,400.20, 4,691.42 and 2,073.82 is: 2,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.20 : 4,691.42 = 2,073.82 : x
  2. Step 2: Convert to fraction form
    3,400.20/4,691.42 = 2,073.82/x
  3. Step 3: Cross multiply
    3,400.20x = 4,691.42 × 2,073.82
  4. Step 4: Simplify right side
    3,400.20x = 9,729,160.62
  5. Step 5: Solve for x
    x = 9,729,160.62/3,400.20
  6. Step 6: Final answer
    x = 2,861.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.