Home / 3,245.31-4,867.97-2,091.87

Finding the Fourth Proportional to 3,245.31, 4,867.97 and 2,091.87

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Solution

The fourth proportional to 3,245.31, 4,867.97 and 2,091.87 is: 3,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.31 : 4,867.97 = 2,091.87 : x
  2. Step 2: Convert to fraction form
    3,245.31/4,867.97 = 2,091.87/x
  3. Step 3: Cross multiply
    3,245.31x = 4,867.97 × 2,091.87
  4. Step 4: Simplify right side
    3,245.31x = 10,183,149.94
  5. Step 5: Solve for x
    x = 10,183,149.94/3,245.31
  6. Step 6: Final answer
    x = 3,137.81

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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.