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Finding the Fourth Proportional to 2,012.44, 3,018.16 and 551.52

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Solution

The fourth proportional to 2,012.44, 3,018.16 and 551.52 is: 827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.44 : 3,018.16 = 551.52 : x
  2. Step 2: Convert to fraction form
    2,012.44/3,018.16 = 551.52/x
  3. Step 3: Cross multiply
    2,012.44x = 3,018.16 × 551.52
  4. Step 4: Simplify right side
    2,012.44x = 1,664,575.60
  5. Step 5: Solve for x
    x = 1,664,575.60/2,012.44
  6. Step 6: Final answer
    x = 827.14

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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.