Home / 2,936.25-4,398.21-1,293.95

Finding the Fourth Proportional to 2,936.25, 4,398.21 and 1,293.95

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Solution

The fourth proportional to 2,936.25, 4,398.21 and 1,293.95 is: 1,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.25 : 4,398.21 = 1,293.95 : x
  2. Step 2: Convert to fraction form
    2,936.25/4,398.21 = 1,293.95/x
  3. Step 3: Cross multiply
    2,936.25x = 4,398.21 × 1,293.95
  4. Step 4: Simplify right side
    2,936.25x = 5,691,074.83
  5. Step 5: Solve for x
    x = 5,691,074.83/2,936.25
  6. Step 6: Final answer
    x = 1,938.21

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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.