Home / 2,760.32-4,134.60-2,209.52

Finding the Fourth Proportional to 2,760.32, 4,134.60 and 2,209.52

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Solution

The fourth proportional to 2,760.32, 4,134.60 and 2,209.52 is: 3,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.32 : 4,134.60 = 2,209.52 : x
  2. Step 2: Convert to fraction form
    2,760.32/4,134.60 = 2,209.52/x
  3. Step 3: Cross multiply
    2,760.32x = 4,134.60 × 2,209.52
  4. Step 4: Simplify right side
    2,760.32x = 9,135,481.39
  5. Step 5: Solve for x
    x = 9,135,481.39/2,760.32
  6. Step 6: Final answer
    x = 3,309.57

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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.