Home / 3,764.28-5,195.28-2,149.18

Finding the Fourth Proportional to 3,764.28, 5,195.28 and 2,149.18

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Solution

The fourth proportional to 3,764.28, 5,195.28 and 2,149.18 is: 2,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.28 : 5,195.28 = 2,149.18 : x
  2. Step 2: Convert to fraction form
    3,764.28/5,195.28 = 2,149.18/x
  3. Step 3: Cross multiply
    3,764.28x = 5,195.28 × 2,149.18
  4. Step 4: Simplify right side
    3,764.28x = 11,165,591.87
  5. Step 5: Solve for x
    x = 11,165,591.87/3,764.28
  6. Step 6: Final answer
    x = 2,966.20

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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.