Home / 3,932.44-5,902.30-1,986.01

Finding the Fourth Proportional to 3,932.44, 5,902.30 and 1,986.01

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Solution

The fourth proportional to 3,932.44, 5,902.30 and 1,986.01 is: 2,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.44 : 5,902.30 = 1,986.01 : x
  2. Step 2: Convert to fraction form
    3,932.44/5,902.30 = 1,986.01/x
  3. Step 3: Cross multiply
    3,932.44x = 5,902.30 × 1,986.01
  4. Step 4: Simplify right side
    3,932.44x = 11,721,992.35
  5. Step 5: Solve for x
    x = 11,721,992.35/3,932.44
  6. Step 6: Final answer
    x = 2,980.85

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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.