Home / 3,201.92-4,418.49-1,785.76

Finding the Fourth Proportional to 3,201.92, 4,418.49 and 1,785.76

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Solution

The fourth proportional to 3,201.92, 4,418.49 and 1,785.76 is: 2,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.92 : 4,418.49 = 1,785.76 : x
  2. Step 2: Convert to fraction form
    3,201.92/4,418.49 = 1,785.76/x
  3. Step 3: Cross multiply
    3,201.92x = 4,418.49 × 1,785.76
  4. Step 4: Simplify right side
    3,201.92x = 7,890,340.61
  5. Step 5: Solve for x
    x = 7,890,340.61/3,201.92
  6. Step 6: Final answer
    x = 2,464.26

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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.