Home / 3,488.87-5,233.30-2,191.25

Finding the Fourth Proportional to 3,488.87, 5,233.30 and 2,191.25

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Solution

The fourth proportional to 3,488.87, 5,233.30 and 2,191.25 is: 3,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.87 : 5,233.30 = 2,191.25 : x
  2. Step 2: Convert to fraction form
    3,488.87/5,233.30 = 2,191.25/x
  3. Step 3: Cross multiply
    3,488.87x = 5,233.30 × 2,191.25
  4. Step 4: Simplify right side
    3,488.87x = 11,467,468.63
  5. Step 5: Solve for x
    x = 11,467,468.63/3,488.87
  6. Step 6: Final answer
    x = 3,286.87

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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.