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Finding the Fourth Proportional to 1,996.89, 2,994.08 and 1,449.53

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Solution

The fourth proportional to 1,996.89, 2,994.08 and 1,449.53 is: 2,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.89 : 2,994.08 = 1,449.53 : x
  2. Step 2: Convert to fraction form
    1,996.89/2,994.08 = 1,449.53/x
  3. Step 3: Cross multiply
    1,996.89x = 2,994.08 × 1,449.53
  4. Step 4: Simplify right side
    1,996.89x = 4,339,986.56
  5. Step 5: Solve for x
    x = 4,339,986.56/1,996.89
  6. Step 6: Final answer
    x = 2,173.37

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1.5x scale

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.