Home / 2,480.35-3,422.97-1,361.33

Finding the Fourth Proportional to 2,480.35, 3,422.97 and 1,361.33

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Solution

The fourth proportional to 2,480.35, 3,422.97 and 1,361.33 is: 1,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.35 : 3,422.97 = 1,361.33 : x
  2. Step 2: Convert to fraction form
    2,480.35/3,422.97 = 1,361.33/x
  3. Step 3: Cross multiply
    2,480.35x = 3,422.97 × 1,361.33
  4. Step 4: Simplify right side
    2,480.35x = 4,659,774.64
  5. Step 5: Solve for x
    x = 4,659,774.64/2,480.35
  6. Step 6: Final answer
    x = 1,878.68

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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.