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Finding the Fourth Proportional to 3,672.02, 5,508 and 898.71

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Solution

The fourth proportional to 3,672.02, 5,508 and 898.71 is: 1,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672.02 : 5,508 = 898.71 : x
  2. Step 2: Convert to fraction form
    3,672.02/5,508 = 898.71/x
  3. Step 3: Cross multiply
    3,672.02x = 5,508 × 898.71
  4. Step 4: Simplify right side
    3,672.02x = 4,950,074.03
  5. Step 5: Solve for x
    x = 4,950,074.03/3,672.02
  6. Step 6: Final answer
    x = 1,348.05

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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.