Home / 4,207.28-5,805.76-2,528.76

Finding the Fourth Proportional to 4,207.28, 5,805.76 and 2,528.76

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Solution

The fourth proportional to 4,207.28, 5,805.76 and 2,528.76 is: 3,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.28 : 5,805.76 = 2,528.76 : x
  2. Step 2: Convert to fraction form
    4,207.28/5,805.76 = 2,528.76/x
  3. Step 3: Cross multiply
    4,207.28x = 5,805.76 × 2,528.76
  4. Step 4: Simplify right side
    4,207.28x = 14,681,373.66
  5. Step 5: Solve for x
    x = 14,681,373.66/4,207.28
  6. Step 6: Final answer
    x = 3,489.52

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Half scale
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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.