Home / 3,760.03-5,189.13-2,188

Finding the Fourth Proportional to 3,760.03, 5,189.13 and 2,188

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Solution

The fourth proportional to 3,760.03, 5,189.13 and 2,188 is: 3,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.03 : 5,189.13 = 2,188 : x
  2. Step 2: Convert to fraction form
    3,760.03/5,189.13 = 2,188/x
  3. Step 3: Cross multiply
    3,760.03x = 5,189.13 × 2,188
  4. Step 4: Simplify right side
    3,760.03x = 11,353,816.44
  5. Step 5: Solve for x
    x = 11,353,816.44/3,760.03
  6. Step 6: Final answer
    x = 3,019.61

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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.