Home / 3,091.26-4,259.72-2,734.44

Finding the Fourth Proportional to 3,091.26, 4,259.72 and 2,734.44

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Solution

The fourth proportional to 3,091.26, 4,259.72 and 2,734.44 is: 3,768.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.26 : 4,259.72 = 2,734.44 : x
  2. Step 2: Convert to fraction form
    3,091.26/4,259.72 = 2,734.44/x
  3. Step 3: Cross multiply
    3,091.26x = 4,259.72 × 2,734.44
  4. Step 4: Simplify right side
    3,091.26x = 11,647,948.76
  5. Step 5: Solve for x
    x = 11,647,948.76/3,091.26
  6. Step 6: Final answer
    x = 3,768.03

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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.