Home / 2,480.94-3,414.66-1,981.98

Finding the Fourth Proportional to 2,480.94, 3,414.66 and 1,981.98

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Solution

The fourth proportional to 2,480.94, 3,414.66 and 1,981.98 is: 2,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.94 : 3,414.66 = 1,981.98 : x
  2. Step 2: Convert to fraction form
    2,480.94/3,414.66 = 1,981.98/x
  3. Step 3: Cross multiply
    2,480.94x = 3,414.66 × 1,981.98
  4. Step 4: Simplify right side
    2,480.94x = 6,767,787.83
  5. Step 5: Solve for x
    x = 6,767,787.83/2,480.94
  6. Step 6: Final answer
    x = 2,727.91

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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.