Home / 2,168.02-3,252.19-1,072.09

Finding the Fourth Proportional to 2,168.02, 3,252.19 and 1,072.09

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Solution

The fourth proportional to 2,168.02, 3,252.19 and 1,072.09 is: 1,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.02 : 3,252.19 = 1,072.09 : x
  2. Step 2: Convert to fraction form
    2,168.02/3,252.19 = 1,072.09/x
  3. Step 3: Cross multiply
    2,168.02x = 3,252.19 × 1,072.09
  4. Step 4: Simplify right side
    2,168.02x = 3,486,640.38
  5. Step 5: Solve for x
    x = 3,486,640.38/2,168.02
  6. Step 6: Final answer
    x = 1,608.21

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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.