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Finding the Fourth Proportional to 2,382.84, 3,288.20 and 1,334.79

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Solution

The fourth proportional to 2,382.84, 3,288.20 and 1,334.79 is: 1,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.84 : 3,288.20 = 1,334.79 : x
  2. Step 2: Convert to fraction form
    2,382.84/3,288.20 = 1,334.79/x
  3. Step 3: Cross multiply
    2,382.84x = 3,288.20 × 1,334.79
  4. Step 4: Simplify right side
    2,382.84x = 4,389,049.80
  5. Step 5: Solve for x
    x = 4,389,049.80/2,382.84
  6. Step 6: Final answer
    x = 1,841.94

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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.