Home / 2,151.94-3,227.90-1,766.38

Finding the Fourth Proportional to 2,151.94, 3,227.90 and 1,766.38

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Solution

The fourth proportional to 2,151.94, 3,227.90 and 1,766.38 is: 2,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.94 : 3,227.90 = 1,766.38 : x
  2. Step 2: Convert to fraction form
    2,151.94/3,227.90 = 1,766.38/x
  3. Step 3: Cross multiply
    2,151.94x = 3,227.90 × 1,766.38
  4. Step 4: Simplify right side
    2,151.94x = 5,701,686.28
  5. Step 5: Solve for x
    x = 5,701,686.28/2,151.94
  6. Step 6: Final answer
    x = 2,649.56

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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.