Home / 3,294.40-4,940.94-2,122.52

Finding the Fourth Proportional to 3,294.40, 4,940.94 and 2,122.52

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Solution

The fourth proportional to 3,294.40, 4,940.94 and 2,122.52 is: 3,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.40 : 4,940.94 = 2,122.52 : x
  2. Step 2: Convert to fraction form
    3,294.40/4,940.94 = 2,122.52/x
  3. Step 3: Cross multiply
    3,294.40x = 4,940.94 × 2,122.52
  4. Step 4: Simplify right side
    3,294.40x = 10,487,243.97
  5. Step 5: Solve for x
    x = 10,487,243.97/3,294.40
  6. Step 6: Final answer
    x = 3,183.35

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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.