Home / 3,212.98-4,815.42-2,737.78

Finding the Fourth Proportional to 3,212.98, 4,815.42 and 2,737.78

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Solution

The fourth proportional to 3,212.98, 4,815.42 and 2,737.78 is: 4,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.98 : 4,815.42 = 2,737.78 : x
  2. Step 2: Convert to fraction form
    3,212.98/4,815.42 = 2,737.78/x
  3. Step 3: Cross multiply
    3,212.98x = 4,815.42 × 2,737.78
  4. Step 4: Simplify right side
    3,212.98x = 13,183,560.57
  5. Step 5: Solve for x
    x = 13,183,560.57/3,212.98
  6. Step 6: Final answer
    x = 4,103.22

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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.