Home / 3,813.25-5,262.61-2,134.64

Finding the Fourth Proportional to 3,813.25, 5,262.61 and 2,134.64

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Solution

The fourth proportional to 3,813.25, 5,262.61 and 2,134.64 is: 2,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.25 : 5,262.61 = 2,134.64 : x
  2. Step 2: Convert to fraction form
    3,813.25/5,262.61 = 2,134.64/x
  3. Step 3: Cross multiply
    3,813.25x = 5,262.61 × 2,134.64
  4. Step 4: Simplify right side
    3,813.25x = 11,233,766.03
  5. Step 5: Solve for x
    x = 11,233,766.03/3,813.25
  6. Step 6: Final answer
    x = 2,945.98

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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.