Home / 3,840.24-5,755.14-2,197.56

Finding the Fourth Proportional to 3,840.24, 5,755.14 and 2,197.56

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Solution

The fourth proportional to 3,840.24, 5,755.14 and 2,197.56 is: 3,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.24 : 5,755.14 = 2,197.56 : x
  2. Step 2: Convert to fraction form
    3,840.24/5,755.14 = 2,197.56/x
  3. Step 3: Cross multiply
    3,840.24x = 5,755.14 × 2,197.56
  4. Step 4: Simplify right side
    3,840.24x = 12,647,265.46
  5. Step 5: Solve for x
    x = 12,647,265.46/3,840.24
  6. Step 6: Final answer
    x = 3,293.35

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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.