Home / 3,822.21-5,729.22-2,505.51

Finding the Fourth Proportional to 3,822.21, 5,729.22 and 2,505.51

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Solution

The fourth proportional to 3,822.21, 5,729.22 and 2,505.51 is: 3,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.21 : 5,729.22 = 2,505.51 : x
  2. Step 2: Convert to fraction form
    3,822.21/5,729.22 = 2,505.51/x
  3. Step 3: Cross multiply
    3,822.21x = 5,729.22 × 2,505.51
  4. Step 4: Simplify right side
    3,822.21x = 14,354,618.00
  5. Step 5: Solve for x
    x = 14,354,618.00/3,822.21
  6. Step 6: Final answer
    x = 3,755.58

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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.