Home / 3,760.18-5,188.11-2,167.30

Finding the Fourth Proportional to 3,760.18, 5,188.11 and 2,167.30

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Solution

The fourth proportional to 3,760.18, 5,188.11 and 2,167.30 is: 2,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.18 : 5,188.11 = 2,167.30 : x
  2. Step 2: Convert to fraction form
    3,760.18/5,188.11 = 2,167.30/x
  3. Step 3: Cross multiply
    3,760.18x = 5,188.11 × 2,167.30
  4. Step 4: Simplify right side
    3,760.18x = 11,244,190.80
  5. Step 5: Solve for x
    x = 11,244,190.80/3,760.18
  6. Step 6: Final answer
    x = 2,990.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.