Home / 3,377.14-5,065.71-911.96

Finding the Fourth Proportional to 3,377.14, 5,065.71 and 911.96

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Solution

The fourth proportional to 3,377.14, 5,065.71 and 911.96 is: 1,367.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.14 : 5,065.71 = 911.96 : x
  2. Step 2: Convert to fraction form
    3,377.14/5,065.71 = 911.96/x
  3. Step 3: Cross multiply
    3,377.14x = 5,065.71 × 911.96
  4. Step 4: Simplify right side
    3,377.14x = 4,619,737.56
  5. Step 5: Solve for x
    x = 4,619,737.56/3,377.14
  6. Step 6: Final answer
    x = 1,367.94

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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.