Home / 3,711.28-5,121.63-2,032.66

Finding the Fourth Proportional to 3,711.28, 5,121.63 and 2,032.66

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Solution

The fourth proportional to 3,711.28, 5,121.63 and 2,032.66 is: 2,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.28 : 5,121.63 = 2,032.66 : x
  2. Step 2: Convert to fraction form
    3,711.28/5,121.63 = 2,032.66/x
  3. Step 3: Cross multiply
    3,711.28x = 5,121.63 × 2,032.66
  4. Step 4: Simplify right side
    3,711.28x = 10,410,496.66
  5. Step 5: Solve for x
    x = 10,410,496.66/3,711.28
  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.