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Finding the Fourth Proportional to 1,166.66, 1,747.26 and 1,133.86

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Solution

The fourth proportional to 1,166.66, 1,747.26 and 1,133.86 is: 1,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166.66 : 1,747.26 = 1,133.86 : x
  2. Step 2: Convert to fraction form
    1,166.66/1,747.26 = 1,133.86/x
  3. Step 3: Cross multiply
    1,166.66x = 1,747.26 × 1,133.86
  4. Step 4: Simplify right side
    1,166.66x = 1,981,148.22
  5. Step 5: Solve for x
    x = 1,981,148.22/1,166.66
  6. Step 6: Final answer
    x = 1,698.14

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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.