Home / 3,708.28-5,119.17-2,382.75

Finding the Fourth Proportional to 3,708.28, 5,119.17 and 2,382.75

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Solution

The fourth proportional to 3,708.28, 5,119.17 and 2,382.75 is: 3,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.28 : 5,119.17 = 2,382.75 : x
  2. Step 2: Convert to fraction form
    3,708.28/5,119.17 = 2,382.75/x
  3. Step 3: Cross multiply
    3,708.28x = 5,119.17 × 2,382.75
  4. Step 4: Simplify right side
    3,708.28x = 12,197,693.38
  5. Step 5: Solve for x
    x = 12,197,693.38/3,708.28
  6. Step 6: Final answer
    x = 3,289.31

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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.