Home / 3,752.28-5,177.39-2,758.41

Finding the Fourth Proportional to 3,752.28, 5,177.39 and 2,758.41

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Solution

The fourth proportional to 3,752.28, 5,177.39 and 2,758.41 is: 3,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.28 : 5,177.39 = 2,758.41 : x
  2. Step 2: Convert to fraction form
    3,752.28/5,177.39 = 2,758.41/x
  3. Step 3: Cross multiply
    3,752.28x = 5,177.39 × 2,758.41
  4. Step 4: Simplify right side
    3,752.28x = 14,281,350.56
  5. Step 5: Solve for x
    x = 14,281,350.56/3,752.28
  6. Step 6: Final answer
    x = 3,806.05

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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.