Home / 2,747.66-4,122.25-1,105.36

Finding the Fourth Proportional to 2,747.66, 4,122.25 and 1,105.36

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Solution

The fourth proportional to 2,747.66, 4,122.25 and 1,105.36 is: 1,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.66 : 4,122.25 = 1,105.36 : x
  2. Step 2: Convert to fraction form
    2,747.66/4,122.25 = 1,105.36/x
  3. Step 3: Cross multiply
    2,747.66x = 4,122.25 × 1,105.36
  4. Step 4: Simplify right side
    2,747.66x = 4,556,557.19
  5. Step 5: Solve for x
    x = 4,556,557.19/2,747.66
  6. Step 6: Final answer
    x = 1,658.34

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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.