Home / 3,406.08-5,105.88-2,170.02

Finding the Fourth Proportional to 3,406.08, 5,105.88 and 2,170.02

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Solution

The fourth proportional to 3,406.08, 5,105.88 and 2,170.02 is: 3,252.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.08 : 5,105.88 = 2,170.02 : x
  2. Step 2: Convert to fraction form
    3,406.08/5,105.88 = 2,170.02/x
  3. Step 3: Cross multiply
    3,406.08x = 5,105.88 × 2,170.02
  4. Step 4: Simplify right side
    3,406.08x = 11,079,861.72
  5. Step 5: Solve for x
    x = 11,079,861.72/3,406.08
  6. Step 6: Final answer
    x = 3,252.97

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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.