Home / 3,268.76-4,508.34-2,711.48

Finding the Fourth Proportional to 3,268.76, 4,508.34 and 2,711.48

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Solution

The fourth proportional to 3,268.76, 4,508.34 and 2,711.48 is: 3,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.76 : 4,508.34 = 2,711.48 : x
  2. Step 2: Convert to fraction form
    3,268.76/4,508.34 = 2,711.48/x
  3. Step 3: Cross multiply
    3,268.76x = 4,508.34 × 2,711.48
  4. Step 4: Simplify right side
    3,268.76x = 12,224,273.74
  5. Step 5: Solve for x
    x = 12,224,273.74/3,268.76
  6. Step 6: Final answer
    x = 3,739.73

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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.