Home / 2,694.11-3,717.83-1,515.38

Finding the Fourth Proportional to 2,694.11, 3,717.83 and 1,515.38

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Solution

The fourth proportional to 2,694.11, 3,717.83 and 1,515.38 is: 2,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.11 : 3,717.83 = 1,515.38 : x
  2. Step 2: Convert to fraction form
    2,694.11/3,717.83 = 1,515.38/x
  3. Step 3: Cross multiply
    2,694.11x = 3,717.83 × 1,515.38
  4. Step 4: Simplify right side
    2,694.11x = 5,633,906.64
  5. Step 5: Solve for x
    x = 5,633,906.64/2,694.11
  6. Step 6: Final answer
    x = 2,091.20

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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.