Home / 3,282.14-4,920.75-2,113.43

Finding the Fourth Proportional to 3,282.14, 4,920.75 and 2,113.43

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Solution

The fourth proportional to 3,282.14, 4,920.75 and 2,113.43 is: 3,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.14 : 4,920.75 = 2,113.43 : x
  2. Step 2: Convert to fraction form
    3,282.14/4,920.75 = 2,113.43/x
  3. Step 3: Cross multiply
    3,282.14x = 4,920.75 × 2,113.43
  4. Step 4: Simplify right side
    3,282.14x = 10,399,660.67
  5. Step 5: Solve for x
    x = 10,399,660.67/3,282.14
  6. Step 6: Final answer
    x = 3,168.56

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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.