Home / 3,196.59-4,408.35-2,001.20

Finding the Fourth Proportional to 3,196.59, 4,408.35 and 2,001.20

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Solution

The fourth proportional to 3,196.59, 4,408.35 and 2,001.20 is: 2,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.59 : 4,408.35 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    3,196.59/4,408.35 = 2,001.20/x
  3. Step 3: Cross multiply
    3,196.59x = 4,408.35 × 2,001.20
  4. Step 4: Simplify right side
    3,196.59x = 8,821,967.98
  5. Step 5: Solve for x
    x = 8,821,967.98/3,196.59
  6. Step 6: Final answer
    x = 2,759.81

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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.