Home / 3,488.62-5,232.92-2,191

Finding the Fourth Proportional to 3,488.62, 5,232.92 and 2,191

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Solution

The fourth proportional to 3,488.62, 5,232.92 and 2,191 is: 3,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.62 : 5,232.92 = 2,191 : x
  2. Step 2: Convert to fraction form
    3,488.62/5,232.92 = 2,191/x
  3. Step 3: Cross multiply
    3,488.62x = 5,232.92 × 2,191
  4. Step 4: Simplify right side
    3,488.62x = 11,465,327.72
  5. Step 5: Solve for x
    x = 11,465,327.72/3,488.62
  6. Step 6: Final answer
    x = 3,286.49

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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.