Home / 3,936.15-5,904.30-1,162.88

Finding the Fourth Proportional to 3,936.15, 5,904.30 and 1,162.88

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Solution

The fourth proportional to 3,936.15, 5,904.30 and 1,162.88 is: 1,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.15 : 5,904.30 = 1,162.88 : x
  2. Step 2: Convert to fraction form
    3,936.15/5,904.30 = 1,162.88/x
  3. Step 3: Cross multiply
    3,936.15x = 5,904.30 × 1,162.88
  4. Step 4: Simplify right side
    3,936.15x = 6,865,992.38
  5. Step 5: Solve for x
    x = 6,865,992.38/3,936.15
  6. Step 6: Final answer
    x = 1,744.34

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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.