Home / 3,944.21-5,443.34-2,176.20

Finding the Fourth Proportional to 3,944.21, 5,443.34 and 2,176.20

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Solution

The fourth proportional to 3,944.21, 5,443.34 and 2,176.20 is: 3,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.21 : 5,443.34 = 2,176.20 : x
  2. Step 2: Convert to fraction form
    3,944.21/5,443.34 = 2,176.20/x
  3. Step 3: Cross multiply
    3,944.21x = 5,443.34 × 2,176.20
  4. Step 4: Simplify right side
    3,944.21x = 11,845,785.63
  5. Step 5: Solve for x
    x = 11,845,785.63/3,944.21
  6. Step 6: Final answer
    x = 3,003.34

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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.