Home / 3,961.82-5,947.32-2,319.56

Finding the Fourth Proportional to 3,961.82, 5,947.32 and 2,319.56

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Solution

The fourth proportional to 3,961.82, 5,947.32 and 2,319.56 is: 3,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.82 : 5,947.32 = 2,319.56 : x
  2. Step 2: Convert to fraction form
    3,961.82/5,947.32 = 2,319.56/x
  3. Step 3: Cross multiply
    3,961.82x = 5,947.32 × 2,319.56
  4. Step 4: Simplify right side
    3,961.82x = 13,795,165.58
  5. Step 5: Solve for x
    x = 13,795,165.58/3,961.82
  6. Step 6: Final answer
    x = 3,482.03

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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.