Home / 2,031.28-3,044.12-1,163.76

Finding the Fourth Proportional to 2,031.28, 3,044.12 and 1,163.76

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Solution

The fourth proportional to 2,031.28, 3,044.12 and 1,163.76 is: 1,744.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.28 : 3,044.12 = 1,163.76 : x
  2. Step 2: Convert to fraction form
    2,031.28/3,044.12 = 1,163.76/x
  3. Step 3: Cross multiply
    2,031.28x = 3,044.12 × 1,163.76
  4. Step 4: Simplify right side
    2,031.28x = 3,542,625.09
  5. Step 5: Solve for x
    x = 3,542,625.09/2,031.28
  6. Step 6: Final answer
    x = 1,744.04

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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.