Home / 3,813.04-5,261.97-2,134.61

Finding the Fourth Proportional to 3,813.04, 5,261.97 and 2,134.61

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Solution

The fourth proportional to 3,813.04, 5,261.97 and 2,134.61 is: 2,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.04 : 5,261.97 = 2,134.61 : x
  2. Step 2: Convert to fraction form
    3,813.04/5,261.97 = 2,134.61/x
  3. Step 3: Cross multiply
    3,813.04x = 5,261.97 × 2,134.61
  4. Step 4: Simplify right side
    3,813.04x = 11,232,253.78
  5. Step 5: Solve for x
    x = 11,232,253.78/3,813.04
  6. Step 6: Final answer
    x = 2,945.75

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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.