Home / 3,893.05-5,366.82-2,399.95

Finding the Fourth Proportional to 3,893.05, 5,366.82 and 2,399.95

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Solution

The fourth proportional to 3,893.05, 5,366.82 and 2,399.95 is: 3,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.05 : 5,366.82 = 2,399.95 : x
  2. Step 2: Convert to fraction form
    3,893.05/5,366.82 = 2,399.95/x
  3. Step 3: Cross multiply
    3,893.05x = 5,366.82 × 2,399.95
  4. Step 4: Simplify right side
    3,893.05x = 12,880,099.66
  5. Step 5: Solve for x
    x = 12,880,099.66/3,893.05
  6. Step 6: Final answer
    x = 3,308.49

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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.