Home / 2,480.46-3,422.96-1,361.41

Finding the Fourth Proportional to 2,480.46, 3,422.96 and 1,361.41

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Solution

The fourth proportional to 2,480.46, 3,422.96 and 1,361.41 is: 1,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.46 : 3,422.96 = 1,361.41 : x
  2. Step 2: Convert to fraction form
    2,480.46/3,422.96 = 1,361.41/x
  3. Step 3: Cross multiply
    2,480.46x = 3,422.96 × 1,361.41
  4. Step 4: Simplify right side
    2,480.46x = 4,660,041.71
  5. Step 5: Solve for x
    x = 4,660,041.71/2,480.46
  6. Step 6: Final answer
    x = 1,878.70

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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.