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Finding the Fourth Proportional to 3,554.44, 4,905.12 and 1,982.44

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Solution

The fourth proportional to 3,554.44, 4,905.12 and 1,982.44 is: 2,735.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.44 : 4,905.12 = 1,982.44 : x
  2. Step 2: Convert to fraction form
    3,554.44/4,905.12 = 1,982.44/x
  3. Step 3: Cross multiply
    3,554.44x = 4,905.12 × 1,982.44
  4. Step 4: Simplify right side
    3,554.44x = 9,724,106.09
  5. Step 5: Solve for x
    x = 9,724,106.09/3,554.44
  6. Step 6: Final answer
    x = 2,735.76

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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.