Home / 2,747.79-4,112.10-2,248.43

Finding the Fourth Proportional to 2,747.79, 4,112.10 and 2,248.43

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Solution

The fourth proportional to 2,747.79, 4,112.10 and 2,248.43 is: 3,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.79 : 4,112.10 = 2,248.43 : x
  2. Step 2: Convert to fraction form
    2,747.79/4,112.10 = 2,248.43/x
  3. Step 3: Cross multiply
    2,747.79x = 4,112.10 × 2,248.43
  4. Step 4: Simplify right side
    2,747.79x = 9,245,748.44
  5. Step 5: Solve for x
    x = 9,245,748.44/2,747.79
  6. Step 6: Final answer
    x = 3,364.79

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1.5x scale

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.