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Finding the Fourth Proportional to 2,748.96, 4,124.02 and 801.30

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Solution

The fourth proportional to 2,748.96, 4,124.02 and 801.30 is: 1,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.96 : 4,124.02 = 801.30 : x
  2. Step 2: Convert to fraction form
    2,748.96/4,124.02 = 801.30/x
  3. Step 3: Cross multiply
    2,748.96x = 4,124.02 × 801.30
  4. Step 4: Simplify right side
    2,748.96x = 3,304,577.23
  5. Step 5: Solve for x
    x = 3,304,577.23/2,748.96
  6. Step 6: Final answer
    x = 1,202.12

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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.