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Finding the Fourth Proportional to 2,750.66, 4,121.09 and 2,383.73

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Solution

The fourth proportional to 2,750.66, 4,121.09 and 2,383.73 is: 3,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.66 : 4,121.09 = 2,383.73 : x
  2. Step 2: Convert to fraction form
    2,750.66/4,121.09 = 2,383.73/x
  3. Step 3: Cross multiply
    2,750.66x = 4,121.09 × 2,383.73
  4. Step 4: Simplify right side
    2,750.66x = 9,823,565.87
  5. Step 5: Solve for x
    x = 9,823,565.87/2,750.66
  6. Step 6: Final answer
    x = 3,571.35

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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.