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Finding the Fourth Proportional to 2,016.39, 3,024.88 and 629.44

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Solution

The fourth proportional to 2,016.39, 3,024.88 and 629.44 is: 944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.39 : 3,024.88 = 629.44 : x
  2. Step 2: Convert to fraction form
    2,016.39/3,024.88 = 629.44/x
  3. Step 3: Cross multiply
    2,016.39x = 3,024.88 × 629.44
  4. Step 4: Simplify right side
    2,016.39x = 1,903,971.33
  5. Step 5: Solve for x
    x = 1,903,971.33/2,016.39
  6. Step 6: Final answer
    x = 944.25

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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.