Home / 3,629.57-5,440.50-1,550.55

Finding the Fourth Proportional to 3,629.57, 5,440.50 and 1,550.55

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Solution

The fourth proportional to 3,629.57, 5,440.50 and 1,550.55 is: 2,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.57 : 5,440.50 = 1,550.55 : x
  2. Step 2: Convert to fraction form
    3,629.57/5,440.50 = 1,550.55/x
  3. Step 3: Cross multiply
    3,629.57x = 5,440.50 × 1,550.55
  4. Step 4: Simplify right side
    3,629.57x = 8,435,767.44
  5. Step 5: Solve for x
    x = 8,435,767.44/3,629.57
  6. Step 6: Final answer
    x = 2,324.18

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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.