Home / 2,691.27-3,713.94-1,512.34

Finding the Fourth Proportional to 2,691.27, 3,713.94 and 1,512.34

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Solution

The fourth proportional to 2,691.27, 3,713.94 and 1,512.34 is: 2,087.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.27 : 3,713.94 = 1,512.34 : x
  2. Step 2: Convert to fraction form
    2,691.27/3,713.94 = 1,512.34/x
  3. Step 3: Cross multiply
    2,691.27x = 3,713.94 × 1,512.34
  4. Step 4: Simplify right side
    2,691.27x = 5,616,738.99
  5. Step 5: Solve for x
    x = 5,616,738.99/2,691.27
  6. Step 6: Final answer
    x = 2,087.02

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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.