Home / 3,127.08-4,691.86-1,179.84

Finding the Fourth Proportional to 3,127.08, 4,691.86 and 1,179.84

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Solution

The fourth proportional to 3,127.08, 4,691.86 and 1,179.84 is: 1,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.08 : 4,691.86 = 1,179.84 : x
  2. Step 2: Convert to fraction form
    3,127.08/4,691.86 = 1,179.84/x
  3. Step 3: Cross multiply
    3,127.08x = 4,691.86 × 1,179.84
  4. Step 4: Simplify right side
    3,127.08x = 5,535,644.10
  5. Step 5: Solve for x
    x = 5,535,644.10/3,127.08
  6. Step 6: Final answer
    x = 1,770.23

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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.