Home / 3,168.14-4,750.99-1,087.75

Finding the Fourth Proportional to 3,168.14, 4,750.99 and 1,087.75

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Solution

The fourth proportional to 3,168.14, 4,750.99 and 1,087.75 is: 1,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.14 : 4,750.99 = 1,087.75 : x
  2. Step 2: Convert to fraction form
    3,168.14/4,750.99 = 1,087.75/x
  3. Step 3: Cross multiply
    3,168.14x = 4,750.99 × 1,087.75
  4. Step 4: Simplify right side
    3,168.14x = 5,167,910.54
  5. Step 5: Solve for x
    x = 5,167,910.54/3,168.14
  6. Step 6: Final answer
    x = 1,631.21

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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.