Home / 3,289.92-4,540.32-1,963.44

Finding the Fourth Proportional to 3,289.92, 4,540.32 and 1,963.44

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Solution

The fourth proportional to 3,289.92, 4,540.32 and 1,963.44 is: 2,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.92 : 4,540.32 = 1,963.44 : x
  2. Step 2: Convert to fraction form
    3,289.92/4,540.32 = 1,963.44/x
  3. Step 3: Cross multiply
    3,289.92x = 4,540.32 × 1,963.44
  4. Step 4: Simplify right side
    3,289.92x = 8,914,645.90
  5. Step 5: Solve for x
    x = 8,914,645.90/3,289.92
  6. Step 6: Final answer
    x = 2,709.68

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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.