Home / 3,581.86-5,373.92-1,609.18

Finding the Fourth Proportional to 3,581.86, 5,373.92 and 1,609.18

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Solution

The fourth proportional to 3,581.86, 5,373.92 and 1,609.18 is: 2,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.86 : 5,373.92 = 1,609.18 : x
  2. Step 2: Convert to fraction form
    3,581.86/5,373.92 = 1,609.18/x
  3. Step 3: Cross multiply
    3,581.86x = 5,373.92 × 1,609.18
  4. Step 4: Simplify right side
    3,581.86x = 8,647,604.59
  5. Step 5: Solve for x
    x = 8,647,604.59/3,581.86
  6. Step 6: Final answer
    x = 2,414.28

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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.