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Finding the Fourth Proportional to 2,750.34, 3,796.78 and 1,571.18

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Solution

The fourth proportional to 2,750.34, 3,796.78 and 1,571.18 is: 2,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.34 : 3,796.78 = 1,571.18 : x
  2. Step 2: Convert to fraction form
    2,750.34/3,796.78 = 1,571.18/x
  3. Step 3: Cross multiply
    2,750.34x = 3,796.78 × 1,571.18
  4. Step 4: Simplify right side
    2,750.34x = 5,965,424.80
  5. Step 5: Solve for x
    x = 5,965,424.80/2,750.34
  6. Step 6: Final answer
    x = 2,168.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.