Home / 3,149.91-4,724.87-1,069.92

Finding the Fourth Proportional to 3,149.91, 4,724.87 and 1,069.92

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Solution

The fourth proportional to 3,149.91, 4,724.87 and 1,069.92 is: 1,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.91 : 4,724.87 = 1,069.92 : x
  2. Step 2: Convert to fraction form
    3,149.91/4,724.87 = 1,069.92/x
  3. Step 3: Cross multiply
    3,149.91x = 4,724.87 × 1,069.92
  4. Step 4: Simplify right side
    3,149.91x = 5,055,232.91
  5. Step 5: Solve for x
    x = 5,055,232.91/3,149.91
  6. Step 6: Final answer
    x = 1,604.88

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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.