Home / 2,961.25-4,428.78-2,634.49

Finding the Fourth Proportional to 2,961.25, 4,428.78 and 2,634.49

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Solution

The fourth proportional to 2,961.25, 4,428.78 and 2,634.49 is: 3,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.25 : 4,428.78 = 2,634.49 : x
  2. Step 2: Convert to fraction form
    2,961.25/4,428.78 = 2,634.49/x
  3. Step 3: Cross multiply
    2,961.25x = 4,428.78 × 2,634.49
  4. Step 4: Simplify right side
    2,961.25x = 11,667,576.62
  5. Step 5: Solve for x
    x = 11,667,576.62/2,961.25
  6. Step 6: Final answer
    x = 3,940.08

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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.