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Finding the Fourth Proportional to 2,892.84, 3,992.20 and 1,713.94

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Solution

The fourth proportional to 2,892.84, 3,992.20 and 1,713.94 is: 2,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.84 : 3,992.20 = 1,713.94 : x
  2. Step 2: Convert to fraction form
    2,892.84/3,992.20 = 1,713.94/x
  3. Step 3: Cross multiply
    2,892.84x = 3,992.20 × 1,713.94
  4. Step 4: Simplify right side
    2,892.84x = 6,842,391.27
  5. Step 5: Solve for x
    x = 6,842,391.27/2,892.84
  6. Step 6: Final answer
    x = 2,365.29

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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.