Home / 3,944.43-5,444.96-2,689.64

Finding the Fourth Proportional to 3,944.43, 5,444.96 and 2,689.64

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Solution

The fourth proportional to 3,944.43, 5,444.96 and 2,689.64 is: 3,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.43 : 5,444.96 = 2,689.64 : x
  2. Step 2: Convert to fraction form
    3,944.43/5,444.96 = 2,689.64/x
  3. Step 3: Cross multiply
    3,944.43x = 5,444.96 × 2,689.64
  4. Step 4: Simplify right side
    3,944.43x = 14,644,982.21
  5. Step 5: Solve for x
    x = 14,644,982.21/3,944.43
  6. Step 6: Final answer
    x = 3,712.83

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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.