Home / 3,927.70-5,418.52-2,436.29

Finding the Fourth Proportional to 3,927.70, 5,418.52 and 2,436.29

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Solution

The fourth proportional to 3,927.70, 5,418.52 and 2,436.29 is: 3,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.70 : 5,418.52 = 2,436.29 : x
  2. Step 2: Convert to fraction form
    3,927.70/5,418.52 = 2,436.29/x
  3. Step 3: Cross multiply
    3,927.70x = 5,418.52 × 2,436.29
  4. Step 4: Simplify right side
    3,927.70x = 13,201,086.09
  5. Step 5: Solve for x
    x = 13,201,086.09/3,927.70
  6. Step 6: Final answer
    x = 3,361.02

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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.