Home / 3,702.32-5,109.92-2,377.70

Finding the Fourth Proportional to 3,702.32, 5,109.92 and 2,377.70

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Solution

The fourth proportional to 3,702.32, 5,109.92 and 2,377.70 is: 3,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.32 : 5,109.92 = 2,377.70 : x
  2. Step 2: Convert to fraction form
    3,702.32/5,109.92 = 2,377.70/x
  3. Step 3: Cross multiply
    3,702.32x = 5,109.92 × 2,377.70
  4. Step 4: Simplify right side
    3,702.32x = 12,149,856.78
  5. Step 5: Solve for x
    x = 12,149,856.78/3,702.32
  6. Step 6: Final answer
    x = 3,281.69

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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.