Home / 2,669.94-3,997.58-1,791.22

Finding the Fourth Proportional to 2,669.94, 3,997.58 and 1,791.22

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Solution

The fourth proportional to 2,669.94, 3,997.58 and 1,791.22 is: 2,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.94 : 3,997.58 = 1,791.22 : x
  2. Step 2: Convert to fraction form
    2,669.94/3,997.58 = 1,791.22/x
  3. Step 3: Cross multiply
    2,669.94x = 3,997.58 × 1,791.22
  4. Step 4: Simplify right side
    2,669.94x = 7,160,545.25
  5. Step 5: Solve for x
    x = 7,160,545.25/2,669.94
  6. Step 6: Final answer
    x = 2,681.91

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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.