Home / 3,364.05-5,046.11-1,172.78

Finding the Fourth Proportional to 3,364.05, 5,046.11 and 1,172.78

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Solution

The fourth proportional to 3,364.05, 5,046.11 and 1,172.78 is: 1,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.05 : 5,046.11 = 1,172.78 : x
  2. Step 2: Convert to fraction form
    3,364.05/5,046.11 = 1,172.78/x
  3. Step 3: Cross multiply
    3,364.05x = 5,046.11 × 1,172.78
  4. Step 4: Simplify right side
    3,364.05x = 5,917,945.79
  5. Step 5: Solve for x
    x = 5,917,945.79/3,364.05
  6. Step 6: Final answer
    x = 1,759.17

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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.