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Finding the Fourth Proportional to 3,270.63, 4,901.07 and 2,799.31

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Solution

The fourth proportional to 3,270.63, 4,901.07 and 2,799.31 is: 4,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.63 : 4,901.07 = 2,799.31 : x
  2. Step 2: Convert to fraction form
    3,270.63/4,901.07 = 2,799.31/x
  3. Step 3: Cross multiply
    3,270.63x = 4,901.07 × 2,799.31
  4. Step 4: Simplify right side
    3,270.63x = 13,719,614.26
  5. Step 5: Solve for x
    x = 13,719,614.26/3,270.63
  6. Step 6: Final answer
    x = 4,194.79

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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.