Home / 3,279.69-4,923.83-1,947.92

Finding the Fourth Proportional to 3,279.69, 4,923.83 and 1,947.92

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Solution

The fourth proportional to 3,279.69, 4,923.83 and 1,947.92 is: 2,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.69 : 4,923.83 = 1,947.92 : x
  2. Step 2: Convert to fraction form
    3,279.69/4,923.83 = 1,947.92/x
  3. Step 3: Cross multiply
    3,279.69x = 4,923.83 × 1,947.92
  4. Step 4: Simplify right side
    3,279.69x = 9,591,226.93
  5. Step 5: Solve for x
    x = 9,591,226.93/3,279.69
  6. Step 6: Final answer
    x = 2,924.43

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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.