Home / 3,614.75-5,422.12-1,149.56

Finding the Fourth Proportional to 3,614.75, 5,422.12 and 1,149.56

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Solution

The fourth proportional to 3,614.75, 5,422.12 and 1,149.56 is: 1,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.75 : 5,422.12 = 1,149.56 : x
  2. Step 2: Convert to fraction form
    3,614.75/5,422.12 = 1,149.56/x
  3. Step 3: Cross multiply
    3,614.75x = 5,422.12 × 1,149.56
  4. Step 4: Simplify right side
    3,614.75x = 6,233,073.12
  5. Step 5: Solve for x
    x = 6,233,073.12/3,614.75
  6. Step 6: Final answer
    x = 1,724.35

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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.