Home / 3,958.19-5,462.27-2,189.89

Finding the Fourth Proportional to 3,958.19, 5,462.27 and 2,189.89

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Solution

The fourth proportional to 3,958.19, 5,462.27 and 2,189.89 is: 3,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.19 : 5,462.27 = 2,189.89 : x
  2. Step 2: Convert to fraction form
    3,958.19/5,462.27 = 2,189.89/x
  3. Step 3: Cross multiply
    3,958.19x = 5,462.27 × 2,189.89
  4. Step 4: Simplify right side
    3,958.19x = 11,961,774.54
  5. Step 5: Solve for x
    x = 11,961,774.54/3,958.19
  6. Step 6: Final answer
    x = 3,022.03

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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.