Home / 3,221.92-4,834.70-1,372.84

Finding the Fourth Proportional to 3,221.92, 4,834.70 and 1,372.84

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Solution

The fourth proportional to 3,221.92, 4,834.70 and 1,372.84 is: 2,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.92 : 4,834.70 = 1,372.84 : x
  2. Step 2: Convert to fraction form
    3,221.92/4,834.70 = 1,372.84/x
  3. Step 3: Cross multiply
    3,221.92x = 4,834.70 × 1,372.84
  4. Step 4: Simplify right side
    3,221.92x = 6,637,269.55
  5. Step 5: Solve for x
    x = 6,637,269.55/3,221.92
  6. Step 6: Final answer
    x = 2,060.04

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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.