Home / 3,329.80-4,997.90-2,843.40

Finding the Fourth Proportional to 3,329.80, 4,997.90 and 2,843.40

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Solution

The fourth proportional to 3,329.80, 4,997.90 and 2,843.40 is: 4,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.80 : 4,997.90 = 2,843.40 : x
  2. Step 2: Convert to fraction form
    3,329.80/4,997.90 = 2,843.40/x
  3. Step 3: Cross multiply
    3,329.80x = 4,997.90 × 2,843.40
  4. Step 4: Simplify right side
    3,329.80x = 14,211,028.86
  5. Step 5: Solve for x
    x = 14,211,028.86/3,329.80
  6. Step 6: Final answer
    x = 4,267.83

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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.