Home / 3,760.96-5,189.25-2,189.11

Finding the Fourth Proportional to 3,760.96, 5,189.25 and 2,189.11

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Solution

The fourth proportional to 3,760.96, 5,189.25 and 2,189.11 is: 3,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.96 : 5,189.25 = 2,189.11 : x
  2. Step 2: Convert to fraction form
    3,760.96/5,189.25 = 2,189.11/x
  3. Step 3: Cross multiply
    3,760.96x = 5,189.25 × 2,189.11
  4. Step 4: Simplify right side
    3,760.96x = 11,359,839.07
  5. Step 5: Solve for x
    x = 11,359,839.07/3,760.96
  6. Step 6: Final answer
    x = 3,020.46

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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.