Home / 3,936.60-5,898.06-3,286.44

Finding the Fourth Proportional to 3,936.60, 5,898.06 and 3,286.44

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Solution

The fourth proportional to 3,936.60, 5,898.06 and 3,286.44 is: 4,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.60 : 5,898.06 = 3,286.44 : x
  2. Step 2: Convert to fraction form
    3,936.60/5,898.06 = 3,286.44/x
  3. Step 3: Cross multiply
    3,936.60x = 5,898.06 × 3,286.44
  4. Step 4: Simplify right side
    3,936.60x = 19,383,620.31
  5. Step 5: Solve for x
    x = 19,383,620.31/3,936.60
  6. Step 6: Final answer
    x = 4,923.95

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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.