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Finding the Fourth Proportional to 2,747.00, 3,788.01 and 1,908.65

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Solution

The fourth proportional to 2,747.00, 3,788.01 and 1,908.65 is: 2,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.00 : 3,788.01 = 1,908.65 : x
  2. Step 2: Convert to fraction form
    2,747.00/3,788.01 = 1,908.65/x
  3. Step 3: Cross multiply
    2,747.00x = 3,788.01 × 1,908.65
  4. Step 4: Simplify right side
    2,747.00x = 7,229,966.35
  5. Step 5: Solve for x
    x = 7,229,966.35/2,747.00
  6. Step 6: Final answer
    x = 2,631.95

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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.