Home / 2,747.54-4,120.77-1,103.24

Finding the Fourth Proportional to 2,747.54, 4,120.77 and 1,103.24

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Solution

The fourth proportional to 2,747.54, 4,120.77 and 1,103.24 is: 1,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.54 : 4,120.77 = 1,103.24 : x
  2. Step 2: Convert to fraction form
    2,747.54/4,120.77 = 1,103.24/x
  3. Step 3: Cross multiply
    2,747.54x = 4,120.77 × 1,103.24
  4. Step 4: Simplify right side
    2,747.54x = 4,546,198.29
  5. Step 5: Solve for x
    x = 4,546,198.29/2,747.54
  6. Step 6: Final answer
    x = 1,654.64

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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.