Home / 3,958.22-5,462.35-2,189.95

Finding the Fourth Proportional to 3,958.22, 5,462.35 and 2,189.95

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Solution

The fourth proportional to 3,958.22, 5,462.35 and 2,189.95 is: 3,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.22 : 5,462.35 = 2,189.95 : x
  2. Step 2: Convert to fraction form
    3,958.22/5,462.35 = 2,189.95/x
  3. Step 3: Cross multiply
    3,958.22x = 5,462.35 × 2,189.95
  4. Step 4: Simplify right side
    3,958.22x = 11,962,246.07
  5. Step 5: Solve for x
    x = 11,962,246.07/3,958.22
  6. Step 6: Final answer
    x = 3,022.13

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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.