Home / 3,711.56-5,121.14-2,276.24

Finding the Fourth Proportional to 3,711.56, 5,121.14 and 2,276.24

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Solution

The fourth proportional to 3,711.56, 5,121.14 and 2,276.24 is: 3,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.56 : 5,121.14 = 2,276.24 : x
  2. Step 2: Convert to fraction form
    3,711.56/5,121.14 = 2,276.24/x
  3. Step 3: Cross multiply
    3,711.56x = 5,121.14 × 2,276.24
  4. Step 4: Simplify right side
    3,711.56x = 11,656,906.73
  5. Step 5: Solve for x
    x = 11,656,906.73/3,711.56
  6. Step 6: Final answer
    x = 3,140.70

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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.