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Finding the Fourth Proportional to 3,671.62, 5,508.24 and 1,363.12

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Solution

The fourth proportional to 3,671.62, 5,508.24 and 1,363.12 is: 2,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.62 : 5,508.24 = 1,363.12 : x
  2. Step 2: Convert to fraction form
    3,671.62/5,508.24 = 1,363.12/x
  3. Step 3: Cross multiply
    3,671.62x = 5,508.24 × 1,363.12
  4. Step 4: Simplify right side
    3,671.62x = 7,508,392.11
  5. Step 5: Solve for x
    x = 7,508,392.11/3,671.62
  6. Step 6: Final answer
    x = 2,044.98

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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.