Home / 2,694.33-3,718.14-1,515.40

Finding the Fourth Proportional to 2,694.33, 3,718.14 and 1,515.40

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Solution

The fourth proportional to 2,694.33, 3,718.14 and 1,515.40 is: 2,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.33 : 3,718.14 = 1,515.40 : x
  2. Step 2: Convert to fraction form
    2,694.33/3,718.14 = 1,515.40/x
  3. Step 3: Cross multiply
    2,694.33x = 3,718.14 × 1,515.40
  4. Step 4: Simplify right side
    2,694.33x = 5,634,469.36
  5. Step 5: Solve for x
    x = 5,634,469.36/2,694.33
  6. Step 6: Final answer
    x = 2,091.23

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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.