Home / 2,863.11-3,949.90-1,743.86

Finding the Fourth Proportional to 2,863.11, 3,949.90 and 1,743.86

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Solution

The fourth proportional to 2,863.11, 3,949.90 and 1,743.86 is: 2,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.11 : 3,949.90 = 1,743.86 : x
  2. Step 2: Convert to fraction form
    2,863.11/3,949.90 = 1,743.86/x
  3. Step 3: Cross multiply
    2,863.11x = 3,949.90 × 1,743.86
  4. Step 4: Simplify right side
    2,863.11x = 6,888,078.13
  5. Step 5: Solve for x
    x = 6,888,078.13/2,863.11
  6. Step 6: Final answer
    x = 2,405.80

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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.