Home / 1,633.44-2,252.16-1,422.84

Finding the Fourth Proportional to 1,633.44, 2,252.16 and 1,422.84

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Solution

The fourth proportional to 1,633.44, 2,252.16 and 1,422.84 is: 1,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.44 : 2,252.16 = 1,422.84 : x
  2. Step 2: Convert to fraction form
    1,633.44/2,252.16 = 1,422.84/x
  3. Step 3: Cross multiply
    1,633.44x = 2,252.16 × 1,422.84
  4. Step 4: Simplify right side
    1,633.44x = 3,204,463.33
  5. Step 5: Solve for x
    x = 3,204,463.33/1,633.44
  6. Step 6: Final answer
    x = 1,961.79

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1.5x scale

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.