Home / 3,141.18-4,708.68-1,755.69

Finding the Fourth Proportional to 3,141.18, 4,708.68 and 1,755.69

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Solution

The fourth proportional to 3,141.18, 4,708.68 and 1,755.69 is: 2,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.18 : 4,708.68 = 1,755.69 : x
  2. Step 2: Convert to fraction form
    3,141.18/4,708.68 = 1,755.69/x
  3. Step 3: Cross multiply
    3,141.18x = 4,708.68 × 1,755.69
  4. Step 4: Simplify right side
    3,141.18x = 8,266,982.39
  5. Step 5: Solve for x
    x = 8,266,982.39/3,141.18
  6. Step 6: Final answer
    x = 2,631.81

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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.