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Finding the Fourth Proportional to 2,183.81, 3,273.08 and 866.34

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Solution

The fourth proportional to 2,183.81, 3,273.08 and 866.34 is: 1,298.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.81 : 3,273.08 = 866.34 : x
  2. Step 2: Convert to fraction form
    2,183.81/3,273.08 = 866.34/x
  3. Step 3: Cross multiply
    2,183.81x = 3,273.08 × 866.34
  4. Step 4: Simplify right side
    2,183.81x = 2,835,595.80
  5. Step 5: Solve for x
    x = 2,835,595.80/2,183.81
  6. Step 6: Final answer
    x = 1,298.47

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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.