Home / 3,157.38-4,358.61-2,371.68

Finding the Fourth Proportional to 3,157.38, 4,358.61 and 2,371.68

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Solution

The fourth proportional to 3,157.38, 4,358.61 and 2,371.68 is: 3,273.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.38 : 4,358.61 = 2,371.68 : x
  2. Step 2: Convert to fraction form
    3,157.38/4,358.61 = 2,371.68/x
  3. Step 3: Cross multiply
    3,157.38x = 4,358.61 × 2,371.68
  4. Step 4: Simplify right side
    3,157.38x = 10,337,228.16
  5. Step 5: Solve for x
    x = 10,337,228.16/3,157.38
  6. Step 6: Final answer
    x = 3,273.99

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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.