Home / 3,399.24-5,107.98-1,840.38

Finding the Fourth Proportional to 3,399.24, 5,107.98 and 1,840.38

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Solution

The fourth proportional to 3,399.24, 5,107.98 and 1,840.38 is: 2,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.24 : 5,107.98 = 1,840.38 : x
  2. Step 2: Convert to fraction form
    3,399.24/5,107.98 = 1,840.38/x
  3. Step 3: Cross multiply
    3,399.24x = 5,107.98 × 1,840.38
  4. Step 4: Simplify right side
    3,399.24x = 9,400,624.23
  5. Step 5: Solve for x
    x = 9,400,624.23/3,399.24
  6. Step 6: Final answer
    x = 2,765.51

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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.