Home / 3,286.88-4,530.49-2,330.11

Finding the Fourth Proportional to 3,286.88, 4,530.49 and 2,330.11

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Solution

The fourth proportional to 3,286.88, 4,530.49 and 2,330.11 is: 3,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.88 : 4,530.49 = 2,330.11 : x
  2. Step 2: Convert to fraction form
    3,286.88/4,530.49 = 2,330.11/x
  3. Step 3: Cross multiply
    3,286.88x = 4,530.49 × 2,330.11
  4. Step 4: Simplify right side
    3,286.88x = 10,556,505.75
  5. Step 5: Solve for x
    x = 10,556,505.75/3,286.88
  6. Step 6: Final answer
    x = 3,211.72

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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.