Home / 3,822.21-5,273.64-2,406.06

Finding the Fourth Proportional to 3,822.21, 5,273.64 and 2,406.06

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Solution

The fourth proportional to 3,822.21, 5,273.64 and 2,406.06 is: 3,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.21 : 5,273.64 = 2,406.06 : x
  2. Step 2: Convert to fraction form
    3,822.21/5,273.64 = 2,406.06/x
  3. Step 3: Cross multiply
    3,822.21x = 5,273.64 × 2,406.06
  4. Step 4: Simplify right side
    3,822.21x = 12,688,694.26
  5. Step 5: Solve for x
    x = 12,688,694.26/3,822.21
  6. Step 6: Final answer
    x = 3,319.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.