Home / 2,747.12-4,122.09-1,104.84

Finding the Fourth Proportional to 2,747.12, 4,122.09 and 1,104.84

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Solution

The fourth proportional to 2,747.12, 4,122.09 and 1,104.84 is: 1,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.12 : 4,122.09 = 1,104.84 : x
  2. Step 2: Convert to fraction form
    2,747.12/4,122.09 = 1,104.84/x
  3. Step 3: Cross multiply
    2,747.12x = 4,122.09 × 1,104.84
  4. Step 4: Simplify right side
    2,747.12x = 4,554,249.92
  5. Step 5: Solve for x
    x = 4,554,249.92/2,747.12
  6. Step 6: Final answer
    x = 1,657.83

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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.