Home / 3,702.38-5,109.28-2,023.79

Finding the Fourth Proportional to 3,702.38, 5,109.28 and 2,023.79

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Solution

The fourth proportional to 3,702.38, 5,109.28 and 2,023.79 is: 2,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.38 : 5,109.28 = 2,023.79 : x
  2. Step 2: Convert to fraction form
    3,702.38/5,109.28 = 2,023.79/x
  3. Step 3: Cross multiply
    3,702.38x = 5,109.28 × 2,023.79
  4. Step 4: Simplify right side
    3,702.38x = 10,340,079.17
  5. Step 5: Solve for x
    x = 10,340,079.17/3,702.38
  6. Step 6: Final answer
    x = 2,792.82

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1.5x scale

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.