Home / 2,747.88-3,789.56-2,351.04

Finding the Fourth Proportional to 2,747.88, 3,789.56 and 2,351.04

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Solution

The fourth proportional to 2,747.88, 3,789.56 and 2,351.04 is: 3,242.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.88 : 3,789.56 = 2,351.04 : x
  2. Step 2: Convert to fraction form
    2,747.88/3,789.56 = 2,351.04/x
  3. Step 3: Cross multiply
    2,747.88x = 3,789.56 × 2,351.04
  4. Step 4: Simplify right side
    2,747.88x = 8,909,407.14
  5. Step 5: Solve for x
    x = 8,909,407.14/2,747.88
  6. Step 6: Final answer
    x = 3,242.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.