Home / 3,153.91-4,729.25-1,694.29

Finding the Fourth Proportional to 3,153.91, 4,729.25 and 1,694.29

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Solution

The fourth proportional to 3,153.91, 4,729.25 and 1,694.29 is: 2,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.91 : 4,729.25 = 1,694.29 : x
  2. Step 2: Convert to fraction form
    3,153.91/4,729.25 = 1,694.29/x
  3. Step 3: Cross multiply
    3,153.91x = 4,729.25 × 1,694.29
  4. Step 4: Simplify right side
    3,153.91x = 8,012,712.51
  5. Step 5: Solve for x
    x = 8,012,712.51/3,153.91
  6. Step 6: Final answer
    x = 2,540.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.