Home / 2,032.40-3,049.92-800.78

Finding the Fourth Proportional to 2,032.40, 3,049.92 and 800.78

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Solution

The fourth proportional to 2,032.40, 3,049.92 and 800.78 is: 1,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.40 : 3,049.92 = 800.78 : x
  2. Step 2: Convert to fraction form
    2,032.40/3,049.92 = 800.78/x
  3. Step 3: Cross multiply
    2,032.40x = 3,049.92 × 800.78
  4. Step 4: Simplify right side
    2,032.40x = 2,442,314.94
  5. Step 5: Solve for x
    x = 2,442,314.94/2,032.40
  6. Step 6: Final answer
    x = 1,201.69

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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.