Home / 3,934.83-5,902.89-1,161.78

Finding the Fourth Proportional to 3,934.83, 5,902.89 and 1,161.78

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Solution

The fourth proportional to 3,934.83, 5,902.89 and 1,161.78 is: 1,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.83 : 5,902.89 = 1,161.78 : x
  2. Step 2: Convert to fraction form
    3,934.83/5,902.89 = 1,161.78/x
  3. Step 3: Cross multiply
    3,934.83x = 5,902.89 × 1,161.78
  4. Step 4: Simplify right side
    3,934.83x = 6,857,878.27
  5. Step 5: Solve for x
    x = 6,857,878.27/3,934.83
  6. Step 6: Final answer
    x = 1,742.86

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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.