Home / 2,572.31-3,857.85-1,476.11

Finding the Fourth Proportional to 2,572.31, 3,857.85 and 1,476.11

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Solution

The fourth proportional to 2,572.31, 3,857.85 and 1,476.11 is: 2,213.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.31 : 3,857.85 = 1,476.11 : x
  2. Step 2: Convert to fraction form
    2,572.31/3,857.85 = 1,476.11/x
  3. Step 3: Cross multiply
    2,572.31x = 3,857.85 × 1,476.11
  4. Step 4: Simplify right side
    2,572.31x = 5,694,591.67
  5. Step 5: Solve for x
    x = 5,694,591.67/2,572.31
  6. Step 6: Final answer
    x = 2,213.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.