Home / 2,447.13-3,671.78-1,149.69

Finding the Fourth Proportional to 2,447.13, 3,671.78 and 1,149.69

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Solution

The fourth proportional to 2,447.13, 3,671.78 and 1,149.69 is: 1,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.13 : 3,671.78 = 1,149.69 : x
  2. Step 2: Convert to fraction form
    2,447.13/3,671.78 = 1,149.69/x
  3. Step 3: Cross multiply
    2,447.13x = 3,671.78 × 1,149.69
  4. Step 4: Simplify right side
    2,447.13x = 4,221,403.00
  5. Step 5: Solve for x
    x = 4,221,403.00/2,447.13
  6. Step 6: Final answer
    x = 1,725.04

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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.