Home / 3,245.10-4,871.76-2,761.23

Finding the Fourth Proportional to 3,245.10, 4,871.76 and 2,761.23

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Solution

The fourth proportional to 3,245.10, 4,871.76 and 2,761.23 is: 4,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.10 : 4,871.76 = 2,761.23 : x
  2. Step 2: Convert to fraction form
    3,245.10/4,871.76 = 2,761.23/x
  3. Step 3: Cross multiply
    3,245.10x = 4,871.76 × 2,761.23
  4. Step 4: Simplify right side
    3,245.10x = 13,452,049.86
  5. Step 5: Solve for x
    x = 13,452,049.86/3,245.10
  6. Step 6: Final answer
    x = 4,145.34

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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.