Home / 3,830.37-5,745.78-1,198.26

Finding the Fourth Proportional to 3,830.37, 5,745.78 and 1,198.26

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Solution

The fourth proportional to 3,830.37, 5,745.78 and 1,198.26 is: 1,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.37 : 5,745.78 = 1,198.26 : x
  2. Step 2: Convert to fraction form
    3,830.37/5,745.78 = 1,198.26/x
  3. Step 3: Cross multiply
    3,830.37x = 5,745.78 × 1,198.26
  4. Step 4: Simplify right side
    3,830.37x = 6,884,938.34
  5. Step 5: Solve for x
    x = 6,884,938.34/3,830.37
  6. Step 6: Final answer
    x = 1,797.46

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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.