Home / 3,609.30-5,414.13-1,144.20

Finding the Fourth Proportional to 3,609.30, 5,414.13 and 1,144.20

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Solution

The fourth proportional to 3,609.30, 5,414.13 and 1,144.20 is: 1,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.30 : 5,414.13 = 1,144.20 : x
  2. Step 2: Convert to fraction form
    3,609.30/5,414.13 = 1,144.20/x
  3. Step 3: Cross multiply
    3,609.30x = 5,414.13 × 1,144.20
  4. Step 4: Simplify right side
    3,609.30x = 6,194,847.55
  5. Step 5: Solve for x
    x = 6,194,847.55/3,609.30
  6. Step 6: Final answer
    x = 1,716.36

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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.