Home / 3,813.07-5,261.79-2,134.19

Finding the Fourth Proportional to 3,813.07, 5,261.79 and 2,134.19

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Solution

The fourth proportional to 3,813.07, 5,261.79 and 2,134.19 is: 2,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.07 : 5,261.79 = 2,134.19 : x
  2. Step 2: Convert to fraction form
    3,813.07/5,261.79 = 2,134.19/x
  3. Step 3: Cross multiply
    3,813.07x = 5,261.79 × 2,134.19
  4. Step 4: Simplify right side
    3,813.07x = 11,229,668.75
  5. Step 5: Solve for x
    x = 11,229,668.75/3,813.07
  6. Step 6: Final answer
    x = 2,945.05

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