Home / 2,542.17-3,813.60-1,155.86

Finding the Fourth Proportional to 2,542.17, 3,813.60 and 1,155.86

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Solution

The fourth proportional to 2,542.17, 3,813.60 and 1,155.86 is: 1,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.17 : 3,813.60 = 1,155.86 : x
  2. Step 2: Convert to fraction form
    2,542.17/3,813.60 = 1,155.86/x
  3. Step 3: Cross multiply
    2,542.17x = 3,813.60 × 1,155.86
  4. Step 4: Simplify right side
    2,542.17x = 4,407,987.70
  5. Step 5: Solve for x
    x = 4,407,987.70/2,542.17
  6. Step 6: Final answer
    x = 1,733.95

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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.