Home / 3,944.48-5,443.86-3,001.64

Finding the Fourth Proportional to 3,944.48, 5,443.86 and 3,001.64

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Solution

The fourth proportional to 3,944.48, 5,443.86 and 3,001.64 is: 4,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.48 : 5,443.86 = 3,001.64 : x
  2. Step 2: Convert to fraction form
    3,944.48/5,443.86 = 3,001.64/x
  3. Step 3: Cross multiply
    3,944.48x = 5,443.86 × 3,001.64
  4. Step 4: Simplify right side
    3,944.48x = 16,340,507.93
  5. Step 5: Solve for x
    x = 16,340,507.93/3,944.48
  6. Step 6: Final answer
    x = 4,142.63

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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.