Home / 3,940.01-5,905.32-2,747.61

Finding the Fourth Proportional to 3,940.01, 5,905.32 and 2,747.61

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Solution

The fourth proportional to 3,940.01, 5,905.32 and 2,747.61 is: 4,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940.01 : 5,905.32 = 2,747.61 : x
  2. Step 2: Convert to fraction form
    3,940.01/5,905.32 = 2,747.61/x
  3. Step 3: Cross multiply
    3,940.01x = 5,905.32 × 2,747.61
  4. Step 4: Simplify right side
    3,940.01x = 16,225,521.44
  5. Step 5: Solve for x
    x = 16,225,521.44/3,940.01
  6. Step 6: Final answer
    x = 4,118.14

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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.