Home / 3,144.85-4,713.31-2,753.92

Finding the Fourth Proportional to 3,144.85, 4,713.31 and 2,753.92

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Solution

The fourth proportional to 3,144.85, 4,713.31 and 2,753.92 is: 4,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.85 : 4,713.31 = 2,753.92 : x
  2. Step 2: Convert to fraction form
    3,144.85/4,713.31 = 2,753.92/x
  3. Step 3: Cross multiply
    3,144.85x = 4,713.31 × 2,753.92
  4. Step 4: Simplify right side
    3,144.85x = 12,980,078.68
  5. Step 5: Solve for x
    x = 12,980,078.68/3,144.85
  6. Step 6: Final answer
    x = 4,127.41

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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.