Home / 3,591.63-5,387.45-3,103.20

Finding the Fourth Proportional to 3,591.63, 5,387.45 and 3,103.20

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Solution

The fourth proportional to 3,591.63, 5,387.45 and 3,103.20 is: 4,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.63 : 5,387.45 = 3,103.20 : x
  2. Step 2: Convert to fraction form
    3,591.63/5,387.45 = 3,103.20/x
  3. Step 3: Cross multiply
    3,591.63x = 5,387.45 × 3,103.20
  4. Step 4: Simplify right side
    3,591.63x = 16,718,319.32
  5. Step 5: Solve for x
    x = 16,718,319.32/3,591.63
  6. Step 6: Final answer
    x = 4,654.80

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Similar ratio
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1.5x scale

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.