Home / 3,396.12-4,687.64-2,217.37

Finding the Fourth Proportional to 3,396.12, 4,687.64 and 2,217.37

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Solution

The fourth proportional to 3,396.12, 4,687.64 and 2,217.37 is: 3,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.12 : 4,687.64 = 2,217.37 : x
  2. Step 2: Convert to fraction form
    3,396.12/4,687.64 = 2,217.37/x
  3. Step 3: Cross multiply
    3,396.12x = 4,687.64 × 2,217.37
  4. Step 4: Simplify right side
    3,396.12x = 10,394,197.78
  5. Step 5: Solve for x
    x = 10,394,197.78/3,396.12
  6. Step 6: Final answer
    x = 3,060.61

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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.