Home / 3,297.38-4,940.67-1,994.90

Finding the Fourth Proportional to 3,297.38, 4,940.67 and 1,994.90

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Solution

The fourth proportional to 3,297.38, 4,940.67 and 1,994.90 is: 2,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.38 : 4,940.67 = 1,994.90 : x
  2. Step 2: Convert to fraction form
    3,297.38/4,940.67 = 1,994.90/x
  3. Step 3: Cross multiply
    3,297.38x = 4,940.67 × 1,994.90
  4. Step 4: Simplify right side
    3,297.38x = 9,856,142.58
  5. Step 5: Solve for x
    x = 9,856,142.58/3,297.38
  6. Step 6: Final answer
    x = 2,989.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.