Home / 3,281.92-4,529.09-1,789.83

Finding the Fourth Proportional to 3,281.92, 4,529.09 and 1,789.83

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Solution

The fourth proportional to 3,281.92, 4,529.09 and 1,789.83 is: 2,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.92 : 4,529.09 = 1,789.83 : x
  2. Step 2: Convert to fraction form
    3,281.92/4,529.09 = 1,789.83/x
  3. Step 3: Cross multiply
    3,281.92x = 4,529.09 × 1,789.83
  4. Step 4: Simplify right side
    3,281.92x = 8,106,269.56
  5. Step 5: Solve for x
    x = 8,106,269.56/3,281.92
  6. Step 6: Final answer
    x = 2,469.98

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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.