Home / 3,331.80-5,000.90-2,845.40

Finding the Fourth Proportional to 3,331.80, 5,000.90 and 2,845.40

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Solution

The fourth proportional to 3,331.80, 5,000.90 and 2,845.40 is: 4,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.80 : 5,000.90 = 2,845.40 : x
  2. Step 2: Convert to fraction form
    3,331.80/5,000.90 = 2,845.40/x
  3. Step 3: Cross multiply
    3,331.80x = 5,000.90 × 2,845.40
  4. Step 4: Simplify right side
    3,331.80x = 14,229,560.86
  5. Step 5: Solve for x
    x = 14,229,560.86/3,331.80
  6. Step 6: Final answer
    x = 4,270.83

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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.