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Finding the Fourth Proportional to 3,634, 5,450.88 and 1,168.96

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Solution

The fourth proportional to 3,634, 5,450.88 and 1,168.96 is: 1,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634 : 5,450.88 = 1,168.96 : x
  2. Step 2: Convert to fraction form
    3,634/5,450.88 = 1,168.96/x
  3. Step 3: Cross multiply
    3,634x = 5,450.88 × 1,168.96
  4. Step 4: Simplify right side
    3,634x = 6,371,860.68
  5. Step 5: Solve for x
    x = 6,371,860.68/3,634
  6. Step 6: Final answer
    x = 1,753.40

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Why These Related Problems?

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