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Finding the Fourth Proportional to 2,750.78, 3,796.02 and 1,571.82

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Solution

The fourth proportional to 2,750.78, 3,796.02 and 1,571.82 is: 2,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.78 : 3,796.02 = 1,571.82 : x
  2. Step 2: Convert to fraction form
    2,750.78/3,796.02 = 1,571.82/x
  3. Step 3: Cross multiply
    2,750.78x = 3,796.02 × 1,571.82
  4. Step 4: Simplify right side
    2,750.78x = 5,966,660.16
  5. Step 5: Solve for x
    x = 5,966,660.16/2,750.78
  6. Step 6: Final answer
    x = 2,169.08

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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.