Home / 2,671.44-4,005.50-1,112.54

Finding the Fourth Proportional to 2,671.44, 4,005.50 and 1,112.54

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Solution

The fourth proportional to 2,671.44, 4,005.50 and 1,112.54 is: 1,668.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.44 : 4,005.50 = 1,112.54 : x
  2. Step 2: Convert to fraction form
    2,671.44/4,005.50 = 1,112.54/x
  3. Step 3: Cross multiply
    2,671.44x = 4,005.50 × 1,112.54
  4. Step 4: Simplify right side
    2,671.44x = 4,456,278.97
  5. Step 5: Solve for x
    x = 4,456,278.97/2,671.44
  6. Step 6: Final answer
    x = 1,668.12

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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.