Home / 2,961.33-4,086.61-1,634.95

Finding the Fourth Proportional to 2,961.33, 4,086.61 and 1,634.95

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Solution

The fourth proportional to 2,961.33, 4,086.61 and 1,634.95 is: 2,256.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.33 : 4,086.61 = 1,634.95 : x
  2. Step 2: Convert to fraction form
    2,961.33/4,086.61 = 1,634.95/x
  3. Step 3: Cross multiply
    2,961.33x = 4,086.61 × 1,634.95
  4. Step 4: Simplify right side
    2,961.33x = 6,681,424.16
  5. Step 5: Solve for x
    x = 6,681,424.16/2,961.33
  6. Step 6: Final answer
    x = 2,256.22

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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.