Home / 3,935.28-5,902.67-2,181.13

Finding the Fourth Proportional to 3,935.28, 5,902.67 and 2,181.13

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Solution

The fourth proportional to 3,935.28, 5,902.67 and 2,181.13 is: 3,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.28 : 5,902.67 = 2,181.13 : x
  2. Step 2: Convert to fraction form
    3,935.28/5,902.67 = 2,181.13/x
  3. Step 3: Cross multiply
    3,935.28x = 5,902.67 × 2,181.13
  4. Step 4: Simplify right side
    3,935.28x = 12,874,481.31
  5. Step 5: Solve for x
    x = 12,874,481.31/3,935.28
  6. Step 6: Final answer
    x = 3,271.55

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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.