Home / 3,399.22-5,100.18-3,126.88

Finding the Fourth Proportional to 3,399.22, 5,100.18 and 3,126.88

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Solution

The fourth proportional to 3,399.22, 5,100.18 and 3,126.88 is: 4,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.22 : 5,100.18 = 3,126.88 : x
  2. Step 2: Convert to fraction form
    3,399.22/5,100.18 = 3,126.88/x
  3. Step 3: Cross multiply
    3,399.22x = 5,100.18 × 3,126.88
  4. Step 4: Simplify right side
    3,399.22x = 15,947,650.84
  5. Step 5: Solve for x
    x = 15,947,650.84/3,399.22
  6. Step 6: Final answer
    x = 4,691.56

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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.