Home / 4,149.20-5,724.09-2,731.08

Finding the Fourth Proportional to 4,149.20, 5,724.09 and 2,731.08

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Solution

The fourth proportional to 4,149.20, 5,724.09 and 2,731.08 is: 3,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.20 : 5,724.09 = 2,731.08 : x
  2. Step 2: Convert to fraction form
    4,149.20/5,724.09 = 2,731.08/x
  3. Step 3: Cross multiply
    4,149.20x = 5,724.09 × 2,731.08
  4. Step 4: Simplify right side
    4,149.20x = 15,632,947.72
  5. Step 5: Solve for x
    x = 15,632,947.72/4,149.20
  6. Step 6: Final answer
    x = 3,767.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.