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Finding the Fourth Proportional to 2,247.84, 3,371.93 and 766.60

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Solution

The fourth proportional to 2,247.84, 3,371.93 and 766.60 is: 1,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.84 : 3,371.93 = 766.60 : x
  2. Step 2: Convert to fraction form
    2,247.84/3,371.93 = 766.60/x
  3. Step 3: Cross multiply
    2,247.84x = 3,371.93 × 766.60
  4. Step 4: Simplify right side
    2,247.84x = 2,584,921.54
  5. Step 5: Solve for x
    x = 2,584,921.54/2,247.84
  6. Step 6: Final answer
    x = 1,149.96

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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.