Home / 3,944.33-5,442.46-2,431.34

Finding the Fourth Proportional to 3,944.33, 5,442.46 and 2,431.34

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Solution

The fourth proportional to 3,944.33, 5,442.46 and 2,431.34 is: 3,354.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.33 : 5,442.46 = 2,431.34 : x
  2. Step 2: Convert to fraction form
    3,944.33/5,442.46 = 2,431.34/x
  3. Step 3: Cross multiply
    3,944.33x = 5,442.46 × 2,431.34
  4. Step 4: Simplify right side
    3,944.33x = 13,232,470.70
  5. Step 5: Solve for x
    x = 13,232,470.70/3,944.33
  6. Step 6: Final answer
    x = 3,354.81

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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.