Home / 4,172.57-5,757.24-2,660.71

Finding the Fourth Proportional to 4,172.57, 5,757.24 and 2,660.71

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Solution

The fourth proportional to 4,172.57, 5,757.24 and 2,660.71 is: 3,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.57 : 5,757.24 = 2,660.71 : x
  2. Step 2: Convert to fraction form
    4,172.57/5,757.24 = 2,660.71/x
  3. Step 3: Cross multiply
    4,172.57x = 5,757.24 × 2,660.71
  4. Step 4: Simplify right side
    4,172.57x = 15,318,346.04
  5. Step 5: Solve for x
    x = 15,318,346.04/4,172.57
  6. Step 6: Final answer
    x = 3,671.20

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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.