Home / 3,743.94-5,167.08-2,172.09

Finding the Fourth Proportional to 3,743.94, 5,167.08 and 2,172.09

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Solution

The fourth proportional to 3,743.94, 5,167.08 and 2,172.09 is: 2,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.94 : 5,167.08 = 2,172.09 : x
  2. Step 2: Convert to fraction form
    3,743.94/5,167.08 = 2,172.09/x
  3. Step 3: Cross multiply
    3,743.94x = 5,167.08 × 2,172.09
  4. Step 4: Simplify right side
    3,743.94x = 11,223,362.80
  5. Step 5: Solve for x
    x = 11,223,362.80/3,743.94
  6. Step 6: Final answer
    x = 2,997.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.