Home / 3,882.74-5,356.94-2,310.12

Finding the Fourth Proportional to 3,882.74, 5,356.94 and 2,310.12

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Solution

The fourth proportional to 3,882.74, 5,356.94 and 2,310.12 is: 3,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.74 : 5,356.94 = 2,310.12 : x
  2. Step 2: Convert to fraction form
    3,882.74/5,356.94 = 2,310.12/x
  3. Step 3: Cross multiply
    3,882.74x = 5,356.94 × 2,310.12
  4. Step 4: Simplify right side
    3,882.74x = 12,375,162.68
  5. Step 5: Solve for x
    x = 12,375,162.68/3,882.74
  6. Step 6: Final answer
    x = 3,187.23

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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.