Home / 2,799.22-4,198.48-1,155.55

Finding the Fourth Proportional to 2,799.22, 4,198.48 and 1,155.55

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Solution

The fourth proportional to 2,799.22, 4,198.48 and 1,155.55 is: 1,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.22 : 4,198.48 = 1,155.55 : x
  2. Step 2: Convert to fraction form
    2,799.22/4,198.48 = 1,155.55/x
  3. Step 3: Cross multiply
    2,799.22x = 4,198.48 × 1,155.55
  4. Step 4: Simplify right side
    2,799.22x = 4,851,553.56
  5. Step 5: Solve for x
    x = 4,851,553.56/2,799.22
  6. Step 6: Final answer
    x = 1,733.18

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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.