Home / 3,608.92-5,418.38-2,764.60

Finding the Fourth Proportional to 3,608.92, 5,418.38 and 2,764.60

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Solution

The fourth proportional to 3,608.92, 5,418.38 and 2,764.60 is: 4,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.92 : 5,418.38 = 2,764.60 : x
  2. Step 2: Convert to fraction form
    3,608.92/5,418.38 = 2,764.60/x
  3. Step 3: Cross multiply
    3,608.92x = 5,418.38 × 2,764.60
  4. Step 4: Simplify right side
    3,608.92x = 14,979,653.35
  5. Step 5: Solve for x
    x = 14,979,653.35/3,608.92
  6. Step 6: Final answer
    x = 4,150.73

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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.