Home / 3,629.29-5,442.78-2,240.55

Finding the Fourth Proportional to 3,629.29, 5,442.78 and 2,240.55

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Solution

The fourth proportional to 3,629.29, 5,442.78 and 2,240.55 is: 3,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.29 : 5,442.78 = 2,240.55 : x
  2. Step 2: Convert to fraction form
    3,629.29/5,442.78 = 2,240.55/x
  3. Step 3: Cross multiply
    3,629.29x = 5,442.78 × 2,240.55
  4. Step 4: Simplify right side
    3,629.29x = 12,194,820.73
  5. Step 5: Solve for x
    x = 12,194,820.73/3,629.29
  6. Step 6: Final answer
    x = 3,360.11

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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.