Home / 3,789.32-5,217.98-2,725.20

Finding the Fourth Proportional to 3,789.32, 5,217.98 and 2,725.20

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Solution

The fourth proportional to 3,789.32, 5,217.98 and 2,725.20 is: 3,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.32 : 5,217.98 = 2,725.20 : x
  2. Step 2: Convert to fraction form
    3,789.32/5,217.98 = 2,725.20/x
  3. Step 3: Cross multiply
    3,789.32x = 5,217.98 × 2,725.20
  4. Step 4: Simplify right side
    3,789.32x = 14,220,025.47
  5. Step 5: Solve for x
    x = 14,220,025.47/3,789.32
  6. Step 6: Final answer
    x = 3,752.66

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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.