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Finding the Fourth Proportional to 2,444.78, 3,666.38 and 801

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Solution

The fourth proportional to 2,444.78, 3,666.38 and 801 is: 1,201.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.78 : 3,666.38 = 801 : x
  2. Step 2: Convert to fraction form
    2,444.78/3,666.38 = 801/x
  3. Step 3: Cross multiply
    2,444.78x = 3,666.38 × 801
  4. Step 4: Simplify right side
    2,444.78x = 2,936,770.38
  5. Step 5: Solve for x
    x = 2,936,770.38/2,444.78
  6. Step 6: Final answer
    x = 1,201.24

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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.