Home / 3,454.92-5,183.04-1,115.55

Finding the Fourth Proportional to 3,454.92, 5,183.04 and 1,115.55

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Solution

The fourth proportional to 3,454.92, 5,183.04 and 1,115.55 is: 1,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.92 : 5,183.04 = 1,115.55 : x
  2. Step 2: Convert to fraction form
    3,454.92/5,183.04 = 1,115.55/x
  3. Step 3: Cross multiply
    3,454.92x = 5,183.04 × 1,115.55
  4. Step 4: Simplify right side
    3,454.92x = 5,781,940.27
  5. Step 5: Solve for x
    x = 5,781,940.27/3,454.92
  6. Step 6: Final answer
    x = 1,673.54

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1.5x scale

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.