Home / 3,660.34-5,493.59-1,581.92

Finding the Fourth Proportional to 3,660.34, 5,493.59 and 1,581.92

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Solution

The fourth proportional to 3,660.34, 5,493.59 and 1,581.92 is: 2,374.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.34 : 5,493.59 = 1,581.92 : x
  2. Step 2: Convert to fraction form
    3,660.34/5,493.59 = 1,581.92/x
  3. Step 3: Cross multiply
    3,660.34x = 5,493.59 × 1,581.92
  4. Step 4: Simplify right side
    3,660.34x = 8,690,396.38
  5. Step 5: Solve for x
    x = 8,690,396.38/3,660.34
  6. Step 6: Final answer
    x = 2,374.21

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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.