Home / 3,944.62-5,443.60-2,176.20

Finding the Fourth Proportional to 3,944.62, 5,443.60 and 2,176.20

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Solution

The fourth proportional to 3,944.62, 5,443.60 and 2,176.20 is: 3,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.62 : 5,443.60 = 2,176.20 : x
  2. Step 2: Convert to fraction form
    3,944.62/5,443.60 = 2,176.20/x
  3. Step 3: Cross multiply
    3,944.62x = 5,443.60 × 2,176.20
  4. Step 4: Simplify right side
    3,944.62x = 11,846,362.32
  5. Step 5: Solve for x
    x = 11,846,362.32/3,944.62
  6. Step 6: Final answer
    x = 3,003.17

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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.