Home / 3,671.28-5,506.20-1,073.88

Finding the Fourth Proportional to 3,671.28, 5,506.20 and 1,073.88

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Solution

The fourth proportional to 3,671.28, 5,506.20 and 1,073.88 is: 1,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.28 : 5,506.20 = 1,073.88 : x
  2. Step 2: Convert to fraction form
    3,671.28/5,506.20 = 1,073.88/x
  3. Step 3: Cross multiply
    3,671.28x = 5,506.20 × 1,073.88
  4. Step 4: Simplify right side
    3,671.28x = 5,912,998.06
  5. Step 5: Solve for x
    x = 5,912,998.06/3,671.28
  6. Step 6: Final answer
    x = 1,610.61

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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.