Home / 3,877.16-5,351.26-2,198.60

Finding the Fourth Proportional to 3,877.16, 5,351.26 and 2,198.60

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Solution

The fourth proportional to 3,877.16, 5,351.26 and 2,198.60 is: 3,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.16 : 5,351.26 = 2,198.60 : x
  2. Step 2: Convert to fraction form
    3,877.16/5,351.26 = 2,198.60/x
  3. Step 3: Cross multiply
    3,877.16x = 5,351.26 × 2,198.60
  4. Step 4: Simplify right side
    3,877.16x = 11,765,280.24
  5. Step 5: Solve for x
    x = 11,765,280.24/3,877.16
  6. Step 6: Final answer
    x = 3,034.51

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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.