Home / 3,958.46-5,462.70-2,190.18

Finding the Fourth Proportional to 3,958.46, 5,462.70 and 2,190.18

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Solution

The fourth proportional to 3,958.46, 5,462.70 and 2,190.18 is: 3,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.46 : 5,462.70 = 2,190.18 : x
  2. Step 2: Convert to fraction form
    3,958.46/5,462.70 = 2,190.18/x
  3. Step 3: Cross multiply
    3,958.46x = 5,462.70 × 2,190.18
  4. Step 4: Simplify right side
    3,958.46x = 11,964,296.29
  5. Step 5: Solve for x
    x = 11,964,296.29/3,958.46
  6. Step 6: Final answer
    x = 3,022.47

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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.