Home / 2,422.94-3,343.82-1,375.07

Finding the Fourth Proportional to 2,422.94, 3,343.82 and 1,375.07

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Solution

The fourth proportional to 2,422.94, 3,343.82 and 1,375.07 is: 1,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.94 : 3,343.82 = 1,375.07 : x
  2. Step 2: Convert to fraction form
    2,422.94/3,343.82 = 1,375.07/x
  3. Step 3: Cross multiply
    2,422.94x = 3,343.82 × 1,375.07
  4. Step 4: Simplify right side
    2,422.94x = 4,597,962.97
  5. Step 5: Solve for x
    x = 4,597,962.97/2,422.94
  6. Step 6: Final answer
    x = 1,897.68

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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.