Home / 3,912.04-5,865.66-2,157.16

Finding the Fourth Proportional to 3,912.04, 5,865.66 and 2,157.16

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Solution

The fourth proportional to 3,912.04, 5,865.66 and 2,157.16 is: 3,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.04 : 5,865.66 = 2,157.16 : x
  2. Step 2: Convert to fraction form
    3,912.04/5,865.66 = 2,157.16/x
  3. Step 3: Cross multiply
    3,912.04x = 5,865.66 × 2,157.16
  4. Step 4: Simplify right side
    3,912.04x = 12,653,167.13
  5. Step 5: Solve for x
    x = 12,653,167.13/3,912.04
  6. Step 6: Final answer
    x = 3,234.42

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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.