Home / 3,958.34-5,462.67-2,189.92

Finding the Fourth Proportional to 3,958.34, 5,462.67 and 2,189.92

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Solution

The fourth proportional to 3,958.34, 5,462.67 and 2,189.92 is: 3,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.34 : 5,462.67 = 2,189.92 : x
  2. Step 2: Convert to fraction form
    3,958.34/5,462.67 = 2,189.92/x
  3. Step 3: Cross multiply
    3,958.34x = 5,462.67 × 2,189.92
  4. Step 4: Simplify right side
    3,958.34x = 11,962,782.97
  5. Step 5: Solve for x
    x = 11,962,782.97/3,958.34
  6. Step 6: Final answer
    x = 3,022.17

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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.