Home / 3,813.93-5,261.97-2,321.49

Finding the Fourth Proportional to 3,813.93, 5,261.97 and 2,321.49

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Solution

The fourth proportional to 3,813.93, 5,261.97 and 2,321.49 is: 3,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.93 : 5,261.97 = 2,321.49 : x
  2. Step 2: Convert to fraction form
    3,813.93/5,261.97 = 2,321.49/x
  3. Step 3: Cross multiply
    3,813.93x = 5,261.97 × 2,321.49
  4. Step 4: Simplify right side
    3,813.93x = 12,215,610.74
  5. Step 5: Solve for x
    x = 12,215,610.74/3,813.93
  6. Step 6: Final answer
    x = 3,202.89

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1.5x scale

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.