Home / 2,694.31-3,718.17-1,515.37

Finding the Fourth Proportional to 2,694.31, 3,718.17 and 1,515.37

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Solution

The fourth proportional to 2,694.31, 3,718.17 and 1,515.37 is: 2,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.31 : 3,718.17 = 1,515.37 : x
  2. Step 2: Convert to fraction form
    2,694.31/3,718.17 = 1,515.37/x
  3. Step 3: Cross multiply
    2,694.31x = 3,718.17 × 1,515.37
  4. Step 4: Simplify right side
    2,694.31x = 5,634,403.27
  5. Step 5: Solve for x
    x = 5,634,403.27/2,694.31
  6. Step 6: Final answer
    x = 2,091.22

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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.