Home / 3,299.15-4,951.22-1,220.42

Finding the Fourth Proportional to 3,299.15, 4,951.22 and 1,220.42

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Solution

The fourth proportional to 3,299.15, 4,951.22 and 1,220.42 is: 1,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.15 : 4,951.22 = 1,220.42 : x
  2. Step 2: Convert to fraction form
    3,299.15/4,951.22 = 1,220.42/x
  3. Step 3: Cross multiply
    3,299.15x = 4,951.22 × 1,220.42
  4. Step 4: Simplify right side
    3,299.15x = 6,042,537.05
  5. Step 5: Solve for x
    x = 6,042,537.05/3,299.15
  6. Step 6: Final answer
    x = 1,831.55

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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.