Home / 1,171.18-1,757.68-1,162.06

Finding the Fourth Proportional to 1,171.18, 1,757.68 and 1,162.06

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Solution

The fourth proportional to 1,171.18, 1,757.68 and 1,162.06 is: 1,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.18 : 1,757.68 = 1,162.06 : x
  2. Step 2: Convert to fraction form
    1,171.18/1,757.68 = 1,162.06/x
  3. Step 3: Cross multiply
    1,171.18x = 1,757.68 × 1,162.06
  4. Step 4: Simplify right side
    1,171.18x = 2,042,529.62
  5. Step 5: Solve for x
    x = 2,042,529.62/1,171.18
  6. Step 6: Final answer
    x = 1,743.99

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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.