Home / 3,830.18-5,745.08-2,249.78

Finding the Fourth Proportional to 3,830.18, 5,745.08 and 2,249.78

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Solution

The fourth proportional to 3,830.18, 5,745.08 and 2,249.78 is: 3,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.18 : 5,745.08 = 2,249.78 : x
  2. Step 2: Convert to fraction form
    3,830.18/5,745.08 = 2,249.78/x
  3. Step 3: Cross multiply
    3,830.18x = 5,745.08 × 2,249.78
  4. Step 4: Simplify right side
    3,830.18x = 12,925,166.08
  5. Step 5: Solve for x
    x = 12,925,166.08/3,830.18
  6. Step 6: Final answer
    x = 3,374.56

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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.