Home / 2,738.92-4,107.48-1,095.04

Finding the Fourth Proportional to 2,738.92, 4,107.48 and 1,095.04

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Solution

The fourth proportional to 2,738.92, 4,107.48 and 1,095.04 is: 1,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.92 : 4,107.48 = 1,095.04 : x
  2. Step 2: Convert to fraction form
    2,738.92/4,107.48 = 1,095.04/x
  3. Step 3: Cross multiply
    2,738.92x = 4,107.48 × 1,095.04
  4. Step 4: Simplify right side
    2,738.92x = 4,497,854.90
  5. Step 5: Solve for x
    x = 4,497,854.90/2,738.92
  6. Step 6: Final answer
    x = 1,642.20

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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.