Home / 3,856.14-5,321.42-2,343.18

Finding the Fourth Proportional to 3,856.14, 5,321.42 and 2,343.18

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Solution

The fourth proportional to 3,856.14, 5,321.42 and 2,343.18 is: 3,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.14 : 5,321.42 = 2,343.18 : x
  2. Step 2: Convert to fraction form
    3,856.14/5,321.42 = 2,343.18/x
  3. Step 3: Cross multiply
    3,856.14x = 5,321.42 × 2,343.18
  4. Step 4: Simplify right side
    3,856.14x = 12,469,044.92
  5. Step 5: Solve for x
    x = 12,469,044.92/3,856.14
  6. Step 6: Final answer
    x = 3,233.56

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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.