Home / 3,958.33-5,462.45-2,189.90

Finding the Fourth Proportional to 3,958.33, 5,462.45 and 2,189.90

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Solution

The fourth proportional to 3,958.33, 5,462.45 and 2,189.90 is: 3,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.33 : 5,462.45 = 2,189.90 : x
  2. Step 2: Convert to fraction form
    3,958.33/5,462.45 = 2,189.90/x
  3. Step 3: Cross multiply
    3,958.33x = 5,462.45 × 2,189.90
  4. Step 4: Simplify right side
    3,958.33x = 11,962,219.26
  5. Step 5: Solve for x
    x = 11,962,219.26/3,958.33
  6. Step 6: Final answer
    x = 3,022.04

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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.