Home / 3,865.59-5,795.94-2,135.43

Finding the Fourth Proportional to 3,865.59, 5,795.94 and 2,135.43

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Solution

The fourth proportional to 3,865.59, 5,795.94 and 2,135.43 is: 3,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.59 : 5,795.94 = 2,135.43 : x
  2. Step 2: Convert to fraction form
    3,865.59/5,795.94 = 2,135.43/x
  3. Step 3: Cross multiply
    3,865.59x = 5,795.94 × 2,135.43
  4. Step 4: Simplify right side
    3,865.59x = 12,376,824.15
  5. Step 5: Solve for x
    x = 12,376,824.15/3,865.59
  6. Step 6: Final answer
    x = 3,201.79

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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.