Home / 3,286.97-4,920.87-1,896.09

Finding the Fourth Proportional to 3,286.97, 4,920.87 and 1,896.09

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Solution

The fourth proportional to 3,286.97, 4,920.87 and 1,896.09 is: 2,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.97 : 4,920.87 = 1,896.09 : x
  2. Step 2: Convert to fraction form
    3,286.97/4,920.87 = 1,896.09/x
  3. Step 3: Cross multiply
    3,286.97x = 4,920.87 × 1,896.09
  4. Step 4: Simplify right side
    3,286.97x = 9,330,412.40
  5. Step 5: Solve for x
    x = 9,330,412.40/3,286.97
  6. Step 6: Final answer
    x = 2,838.61

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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.