Home / 2,480.23-3,422.73-1,361.17

Finding the Fourth Proportional to 2,480.23, 3,422.73 and 1,361.17

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Solution

The fourth proportional to 2,480.23, 3,422.73 and 1,361.17 is: 1,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.23 : 3,422.73 = 1,361.17 : x
  2. Step 2: Convert to fraction form
    2,480.23/3,422.73 = 1,361.17/x
  3. Step 3: Cross multiply
    2,480.23x = 3,422.73 × 1,361.17
  4. Step 4: Simplify right side
    2,480.23x = 4,658,917.39
  5. Step 5: Solve for x
    x = 4,658,917.39/2,480.23
  6. Step 6: Final answer
    x = 1,878.42

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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.