Home / 3,127.07-4,691.87-1,179.83

Finding the Fourth Proportional to 3,127.07, 4,691.87 and 1,179.83

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Solution

The fourth proportional to 3,127.07, 4,691.87 and 1,179.83 is: 1,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.07 : 4,691.87 = 1,179.83 : x
  2. Step 2: Convert to fraction form
    3,127.07/4,691.87 = 1,179.83/x
  3. Step 3: Cross multiply
    3,127.07x = 4,691.87 × 1,179.83
  4. Step 4: Simplify right side
    3,127.07x = 5,535,608.98
  5. Step 5: Solve for x
    x = 5,535,608.98/3,127.07
  6. Step 6: Final answer
    x = 1,770.22

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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.