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Finding the Fourth Proportional to 2,443.31, 3,666 and 800.36

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Solution

The fourth proportional to 2,443.31, 3,666 and 800.36 is: 1,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.31 : 3,666 = 800.36 : x
  2. Step 2: Convert to fraction form
    2,443.31/3,666 = 800.36/x
  3. Step 3: Cross multiply
    2,443.31x = 3,666 × 800.36
  4. Step 4: Simplify right side
    2,443.31x = 2,934,101.43
  5. Step 5: Solve for x
    x = 2,934,101.43/2,443.31
  6. Step 6: Final answer
    x = 1,200.87

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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.