Home / 3,877.19-5,350.67-2,198.58

Finding the Fourth Proportional to 3,877.19, 5,350.67 and 2,198.58

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Solution

The fourth proportional to 3,877.19, 5,350.67 and 2,198.58 is: 3,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.19 : 5,350.67 = 2,198.58 : x
  2. Step 2: Convert to fraction form
    3,877.19/5,350.67 = 2,198.58/x
  3. Step 3: Cross multiply
    3,877.19x = 5,350.67 × 2,198.58
  4. Step 4: Simplify right side
    3,877.19x = 11,763,876.05
  5. Step 5: Solve for x
    x = 11,763,876.05/3,877.19
  6. Step 6: Final answer
    x = 3,034.12

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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.