Home / 3,944.42-5,443.21-2,176.06

Finding the Fourth Proportional to 3,944.42, 5,443.21 and 2,176.06

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Solution

The fourth proportional to 3,944.42, 5,443.21 and 2,176.06 is: 3,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.42 : 5,443.21 = 2,176.06 : x
  2. Step 2: Convert to fraction form
    3,944.42/5,443.21 = 2,176.06/x
  3. Step 3: Cross multiply
    3,944.42x = 5,443.21 × 2,176.06
  4. Step 4: Simplify right side
    3,944.42x = 11,844,751.55
  5. Step 5: Solve for x
    x = 11,844,751.55/3,944.42
  6. Step 6: Final answer
    x = 3,002.91

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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.