Home / 3,961.23-5,943.87-2,645.88

Finding the Fourth Proportional to 3,961.23, 5,943.87 and 2,645.88

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Solution

The fourth proportional to 3,961.23, 5,943.87 and 2,645.88 is: 3,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.23 : 5,943.87 = 2,645.88 : x
  2. Step 2: Convert to fraction form
    3,961.23/5,943.87 = 2,645.88/x
  3. Step 3: Cross multiply
    3,961.23x = 5,943.87 × 2,645.88
  4. Step 4: Simplify right side
    3,961.23x = 15,726,766.76
  5. Step 5: Solve for x
    x = 15,726,766.76/3,961.23
  6. Step 6: Final answer
    x = 3,970.17

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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.