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Finding the Fourth Proportional to 2,057.66, 3,086.94 and 671.14

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Solution

The fourth proportional to 2,057.66, 3,086.94 and 671.14 is: 1,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.66 : 3,086.94 = 671.14 : x
  2. Step 2: Convert to fraction form
    2,057.66/3,086.94 = 671.14/x
  3. Step 3: Cross multiply
    2,057.66x = 3,086.94 × 671.14
  4. Step 4: Simplify right side
    2,057.66x = 2,071,768.91
  5. Step 5: Solve for x
    x = 2,071,768.91/2,057.66
  6. Step 6: Final answer
    x = 1,006.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.