Home / 3,286.50-4,928.26-945.96

Finding the Fourth Proportional to 3,286.50, 4,928.26 and 945.96

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Solution

The fourth proportional to 3,286.50, 4,928.26 and 945.96 is: 1,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.50 : 4,928.26 = 945.96 : x
  2. Step 2: Convert to fraction form
    3,286.50/4,928.26 = 945.96/x
  3. Step 3: Cross multiply
    3,286.50x = 4,928.26 × 945.96
  4. Step 4: Simplify right side
    3,286.50x = 4,661,936.83
  5. Step 5: Solve for x
    x = 4,661,936.83/3,286.50
  6. Step 6: Final answer
    x = 1,418.51

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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.