Home / 3,591.39-4,956.09-1,997.99

Finding the Fourth Proportional to 3,591.39, 4,956.09 and 1,997.99

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Solution

The fourth proportional to 3,591.39, 4,956.09 and 1,997.99 is: 2,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.39 : 4,956.09 = 1,997.99 : x
  2. Step 2: Convert to fraction form
    3,591.39/4,956.09 = 1,997.99/x
  3. Step 3: Cross multiply
    3,591.39x = 4,956.09 × 1,997.99
  4. Step 4: Simplify right side
    3,591.39x = 9,902,218.26
  5. Step 5: Solve for x
    x = 9,902,218.26/3,591.39
  6. Step 6: Final answer
    x = 2,757.21

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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.