Home / 2,480.29-3,422.76-1,361.22

Finding the Fourth Proportional to 2,480.29, 3,422.76 and 1,361.22

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Solution

The fourth proportional to 2,480.29, 3,422.76 and 1,361.22 is: 1,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.29 : 3,422.76 = 1,361.22 : x
  2. Step 2: Convert to fraction form
    2,480.29/3,422.76 = 1,361.22/x
  3. Step 3: Cross multiply
    2,480.29x = 3,422.76 × 1,361.22
  4. Step 4: Simplify right side
    2,480.29x = 4,659,129.37
  5. Step 5: Solve for x
    x = 4,659,129.37/2,480.29
  6. Step 6: Final answer
    x = 1,878.46

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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.