Home / 3,441.63-5,167.31-2,188.97

Finding the Fourth Proportional to 3,441.63, 5,167.31 and 2,188.97

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Solution

The fourth proportional to 3,441.63, 5,167.31 and 2,188.97 is: 3,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.63 : 5,167.31 = 2,188.97 : x
  2. Step 2: Convert to fraction form
    3,441.63/5,167.31 = 2,188.97/x
  3. Step 3: Cross multiply
    3,441.63x = 5,167.31 × 2,188.97
  4. Step 4: Simplify right side
    3,441.63x = 11,311,049.79
  5. Step 5: Solve for x
    x = 11,311,049.79/3,441.63
  6. Step 6: Final answer
    x = 3,286.54

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1.5x scale

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.