Home / 3,129.44-4,691.94-1,568.33

Finding the Fourth Proportional to 3,129.44, 4,691.94 and 1,568.33

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Solution

The fourth proportional to 3,129.44, 4,691.94 and 1,568.33 is: 2,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.44 : 4,691.94 = 1,568.33 : x
  2. Step 2: Convert to fraction form
    3,129.44/4,691.94 = 1,568.33/x
  3. Step 3: Cross multiply
    3,129.44x = 4,691.94 × 1,568.33
  4. Step 4: Simplify right side
    3,129.44x = 7,358,486.80
  5. Step 5: Solve for x
    x = 7,358,486.80/3,129.44
  6. Step 6: Final answer
    x = 2,351.38

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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.