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Finding the Fourth Proportional to 2,012.01, 3,018.02 and 551.38

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Solution

The fourth proportional to 2,012.01, 3,018.02 and 551.38 is: 827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.01 : 3,018.02 = 551.38 : x
  2. Step 2: Convert to fraction form
    2,012.01/3,018.02 = 551.38/x
  3. Step 3: Cross multiply
    2,012.01x = 3,018.02 × 551.38
  4. Step 4: Simplify right side
    2,012.01x = 1,664,075.87
  5. Step 5: Solve for x
    x = 1,664,075.87/2,012.01
  6. Step 6: Final answer
    x = 827.07

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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.