Home / 3,227.75-4,455.24-2,108.87

Finding the Fourth Proportional to 3,227.75, 4,455.24 and 2,108.87

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Solution

The fourth proportional to 3,227.75, 4,455.24 and 2,108.87 is: 2,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.75 : 4,455.24 = 2,108.87 : x
  2. Step 2: Convert to fraction form
    3,227.75/4,455.24 = 2,108.87/x
  3. Step 3: Cross multiply
    3,227.75x = 4,455.24 × 2,108.87
  4. Step 4: Simplify right side
    3,227.75x = 9,395,528.72
  5. Step 5: Solve for x
    x = 9,395,528.72/3,227.75
  6. Step 6: Final answer
    x = 2,910.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.