Home / 2,249.50-3,369.31-1,855.05

Finding the Fourth Proportional to 2,249.50, 3,369.31 and 1,855.05

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Solution

The fourth proportional to 2,249.50, 3,369.31 and 1,855.05 is: 2,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.50 : 3,369.31 = 1,855.05 : x
  2. Step 2: Convert to fraction form
    2,249.50/3,369.31 = 1,855.05/x
  3. Step 3: Cross multiply
    2,249.50x = 3,369.31 × 1,855.05
  4. Step 4: Simplify right side
    2,249.50x = 6,250,242.80
  5. Step 5: Solve for x
    x = 6,250,242.80/2,249.50
  6. Step 6: Final answer
    x = 2,778.51

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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.