Home / 3,081.88-4,622.82-1,029.88

Finding the Fourth Proportional to 3,081.88, 4,622.82 and 1,029.88

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Solution

The fourth proportional to 3,081.88, 4,622.82 and 1,029.88 is: 1,544.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.88 : 4,622.82 = 1,029.88 : x
  2. Step 2: Convert to fraction form
    3,081.88/4,622.82 = 1,029.88/x
  3. Step 3: Cross multiply
    3,081.88x = 4,622.82 × 1,029.88
  4. Step 4: Simplify right side
    3,081.88x = 4,760,921.60
  5. Step 5: Solve for x
    x = 4,760,921.60/3,081.88
  6. Step 6: Final answer
    x = 1,544.81

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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.