Home / 3,326.94-4,991.85-1,380.54

Finding the Fourth Proportional to 3,326.94, 4,991.85 and 1,380.54

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Solution

The fourth proportional to 3,326.94, 4,991.85 and 1,380.54 is: 2,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.94 : 4,991.85 = 1,380.54 : x
  2. Step 2: Convert to fraction form
    3,326.94/4,991.85 = 1,380.54/x
  3. Step 3: Cross multiply
    3,326.94x = 4,991.85 × 1,380.54
  4. Step 4: Simplify right side
    3,326.94x = 6,891,448.60
  5. Step 5: Solve for x
    x = 6,891,448.60/3,326.94
  6. Step 6: Final answer
    x = 2,071.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.