Home / 3,932.85-5,427.09-2,361.81

Finding the Fourth Proportional to 3,932.85, 5,427.09 and 2,361.81

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Solution

The fourth proportional to 3,932.85, 5,427.09 and 2,361.81 is: 3,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.85 : 5,427.09 = 2,361.81 : x
  2. Step 2: Convert to fraction form
    3,932.85/5,427.09 = 2,361.81/x
  3. Step 3: Cross multiply
    3,932.85x = 5,427.09 × 2,361.81
  4. Step 4: Simplify right side
    3,932.85x = 12,817,755.43
  5. Step 5: Solve for x
    x = 12,817,755.43/3,932.85
  6. Step 6: Final answer
    x = 3,259.15

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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.