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Finding the Fourth Proportional to 2,999.96, 4,500.42 and 1,356.44

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Solution

The fourth proportional to 2,999.96, 4,500.42 and 1,356.44 is: 2,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.96 : 4,500.42 = 1,356.44 : x
  2. Step 2: Convert to fraction form
    2,999.96/4,500.42 = 1,356.44/x
  3. Step 3: Cross multiply
    2,999.96x = 4,500.42 × 1,356.44
  4. Step 4: Simplify right side
    2,999.96x = 6,104,549.70
  5. Step 5: Solve for x
    x = 6,104,549.70/2,999.96
  6. Step 6: Final answer
    x = 2,034.88

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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.