Home / 3,708.28-5,117.18-2,029.71

Finding the Fourth Proportional to 3,708.28, 5,117.18 and 2,029.71

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Solution

The fourth proportional to 3,708.28, 5,117.18 and 2,029.71 is: 2,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.28 : 5,117.18 = 2,029.71 : x
  2. Step 2: Convert to fraction form
    3,708.28/5,117.18 = 2,029.71/x
  3. Step 3: Cross multiply
    3,708.28x = 5,117.18 × 2,029.71
  4. Step 4: Simplify right side
    3,708.28x = 10,386,388.80
  5. Step 5: Solve for x
    x = 10,386,388.80/3,708.28
  6. Step 6: Final answer
    x = 2,800.86

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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.