Home / 3,711.31-5,121.55-2,032.71

Finding the Fourth Proportional to 3,711.31, 5,121.55 and 2,032.71

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Solution

The fourth proportional to 3,711.31, 5,121.55 and 2,032.71 is: 2,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.31 : 5,121.55 = 2,032.71 : x
  2. Step 2: Convert to fraction form
    3,711.31/5,121.55 = 2,032.71/x
  3. Step 3: Cross multiply
    3,711.31x = 5,121.55 × 2,032.71
  4. Step 4: Simplify right side
    3,711.31x = 10,410,600.29
  5. Step 5: Solve for x
    x = 10,410,600.29/3,711.31
  6. Step 6: Final answer
    x = 2,805.10

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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.