Home / 3,934.47-5,902.25-1,161.35

Finding the Fourth Proportional to 3,934.47, 5,902.25 and 1,161.35

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Solution

The fourth proportional to 3,934.47, 5,902.25 and 1,161.35 is: 1,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.47 : 5,902.25 = 1,161.35 : x
  2. Step 2: Convert to fraction form
    3,934.47/5,902.25 = 1,161.35/x
  3. Step 3: Cross multiply
    3,934.47x = 5,902.25 × 1,161.35
  4. Step 4: Simplify right side
    3,934.47x = 6,854,542.72
  5. Step 5: Solve for x
    x = 6,854,542.72/3,934.47
  6. Step 6: Final answer
    x = 1,742.18

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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.