Home / 4,138.97-5,712.12-2,371.14

Finding the Fourth Proportional to 4,138.97, 5,712.12 and 2,371.14

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Solution

The fourth proportional to 4,138.97, 5,712.12 and 2,371.14 is: 3,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.97 : 5,712.12 = 2,371.14 : x
  2. Step 2: Convert to fraction form
    4,138.97/5,712.12 = 2,371.14/x
  3. Step 3: Cross multiply
    4,138.97x = 5,712.12 × 2,371.14
  4. Step 4: Simplify right side
    4,138.97x = 13,544,236.22
  5. Step 5: Solve for x
    x = 13,544,236.22/4,138.97
  6. Step 6: Final answer
    x = 3,272.37

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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.