Home / 2,799.20-4,197.86-1,132.89

Finding the Fourth Proportional to 2,799.20, 4,197.86 and 1,132.89

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Solution

The fourth proportional to 2,799.20, 4,197.86 and 1,132.89 is: 1,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.20 : 4,197.86 = 1,132.89 : x
  2. Step 2: Convert to fraction form
    2,799.20/4,197.86 = 1,132.89/x
  3. Step 3: Cross multiply
    2,799.20x = 4,197.86 × 1,132.89
  4. Step 4: Simplify right side
    2,799.20x = 4,755,707.95
  5. Step 5: Solve for x
    x = 4,755,707.95/2,799.20
  6. Step 6: Final answer
    x = 1,698.96

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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.