Home / 3,277.28-4,942.71-3,218.96

Finding the Fourth Proportional to 3,277.28, 4,942.71 and 3,218.96

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Solution

The fourth proportional to 3,277.28, 4,942.71 and 3,218.96 is: 4,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.28 : 4,942.71 = 3,218.96 : x
  2. Step 2: Convert to fraction form
    3,277.28/4,942.71 = 3,218.96/x
  3. Step 3: Cross multiply
    3,277.28x = 4,942.71 × 3,218.96
  4. Step 4: Simplify right side
    3,277.28x = 15,910,385.78
  5. Step 5: Solve for x
    x = 15,910,385.78/3,277.28
  6. Step 6: Final answer
    x = 4,854.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.