Home / 2,279.30-3,414.18-1,107.62

Finding the Fourth Proportional to 2,279.30, 3,414.18 and 1,107.62

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Solution

The fourth proportional to 2,279.30, 3,414.18 and 1,107.62 is: 1,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.30 : 3,414.18 = 1,107.62 : x
  2. Step 2: Convert to fraction form
    2,279.30/3,414.18 = 1,107.62/x
  3. Step 3: Cross multiply
    2,279.30x = 3,414.18 × 1,107.62
  4. Step 4: Simplify right side
    2,279.30x = 3,781,614.05
  5. Step 5: Solve for x
    x = 3,781,614.05/2,279.30
  6. Step 6: Final answer
    x = 1,659.11

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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.