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Finding the Fourth Proportional to 2,660.22, 3,671.11 and 1,481.52

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Solution

The fourth proportional to 2,660.22, 3,671.11 and 1,481.52 is: 2,044.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.22 : 3,671.11 = 1,481.52 : x
  2. Step 2: Convert to fraction form
    2,660.22/3,671.11 = 1,481.52/x
  3. Step 3: Cross multiply
    2,660.22x = 3,671.11 × 1,481.52
  4. Step 4: Simplify right side
    2,660.22x = 5,438,828.36
  5. Step 5: Solve for x
    x = 5,438,828.36/2,660.22
  6. Step 6: Final answer
    x = 2,044.50

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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.