Home / 3,591.72-4,956.63-1,998.49

Finding the Fourth Proportional to 3,591.72, 4,956.63 and 1,998.49

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Solution

The fourth proportional to 3,591.72, 4,956.63 and 1,998.49 is: 2,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.72 : 4,956.63 = 1,998.49 : x
  2. Step 2: Convert to fraction form
    3,591.72/4,956.63 = 1,998.49/x
  3. Step 3: Cross multiply
    3,591.72x = 4,956.63 × 1,998.49
  4. Step 4: Simplify right side
    3,591.72x = 9,905,775.49
  5. Step 5: Solve for x
    x = 9,905,775.49/3,591.72
  6. Step 6: Final answer
    x = 2,757.95

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Half scale
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Double scale
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Similar ratio
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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.