Home / 3,101.36-4,286.02-2,540.94

Finding the Fourth Proportional to 3,101.36, 4,286.02 and 2,540.94

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Solution

The fourth proportional to 3,101.36, 4,286.02 and 2,540.94 is: 3,511.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.36 : 4,286.02 = 2,540.94 : x
  2. Step 2: Convert to fraction form
    3,101.36/4,286.02 = 2,540.94/x
  3. Step 3: Cross multiply
    3,101.36x = 4,286.02 × 2,540.94
  4. Step 4: Simplify right side
    3,101.36x = 10,890,519.66
  5. Step 5: Solve for x
    x = 10,890,519.66/3,101.36
  6. Step 6: Final answer
    x = 3,511.53

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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.