Home / 3,255.16-4,494.20-2,138.08

Finding the Fourth Proportional to 3,255.16, 4,494.20 and 2,138.08

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Solution

The fourth proportional to 3,255.16, 4,494.20 and 2,138.08 is: 2,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.16 : 4,494.20 = 2,138.08 : x
  2. Step 2: Convert to fraction form
    3,255.16/4,494.20 = 2,138.08/x
  3. Step 3: Cross multiply
    3,255.16x = 4,494.20 × 2,138.08
  4. Step 4: Simplify right side
    3,255.16x = 9,608,959.14
  5. Step 5: Solve for x
    x = 9,608,959.14/3,255.16
  6. Step 6: Final answer
    x = 2,951.92

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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.