Home / 3,912.48-5,863.80-2,796.08

Finding the Fourth Proportional to 3,912.48, 5,863.80 and 2,796.08

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Solution

The fourth proportional to 3,912.48, 5,863.80 and 2,796.08 is: 4,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.48 : 5,863.80 = 2,796.08 : x
  2. Step 2: Convert to fraction form
    3,912.48/5,863.80 = 2,796.08/x
  3. Step 3: Cross multiply
    3,912.48x = 5,863.80 × 2,796.08
  4. Step 4: Simplify right side
    3,912.48x = 16,395,653.90
  5. Step 5: Solve for x
    x = 16,395,653.90/3,912.48
  6. Step 6: Final answer
    x = 4,190.60

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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.