Home / 4,144.28-5,720.97-2,728.71

Finding the Fourth Proportional to 4,144.28, 5,720.97 and 2,728.71

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Solution

The fourth proportional to 4,144.28, 5,720.97 and 2,728.71 is: 3,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.28 : 5,720.97 = 2,728.71 : x
  2. Step 2: Convert to fraction form
    4,144.28/5,720.97 = 2,728.71/x
  3. Step 3: Cross multiply
    4,144.28x = 5,720.97 × 2,728.71
  4. Step 4: Simplify right side
    4,144.28x = 15,610,868.05
  5. Step 5: Solve for x
    x = 15,610,868.05/4,144.28
  6. Step 6: Final answer
    x = 3,766.85

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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.