Home / 3,320.43-4,982.94-1,372.65

Finding the Fourth Proportional to 3,320.43, 4,982.94 and 1,372.65

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Solution

The fourth proportional to 3,320.43, 4,982.94 and 1,372.65 is: 2,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.43 : 4,982.94 = 1,372.65 : x
  2. Step 2: Convert to fraction form
    3,320.43/4,982.94 = 1,372.65/x
  3. Step 3: Cross multiply
    3,320.43x = 4,982.94 × 1,372.65
  4. Step 4: Simplify right side
    3,320.43x = 6,839,832.59
  5. Step 5: Solve for x
    x = 6,839,832.59/3,320.43
  6. Step 6: Final answer
    x = 2,059.92

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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.