Home / 3,878.82-5,352.66-2,463.48

Finding the Fourth Proportional to 3,878.82, 5,352.66 and 2,463.48

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Solution

The fourth proportional to 3,878.82, 5,352.66 and 2,463.48 is: 3,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.82 : 5,352.66 = 2,463.48 : x
  2. Step 2: Convert to fraction form
    3,878.82/5,352.66 = 2,463.48/x
  3. Step 3: Cross multiply
    3,878.82x = 5,352.66 × 2,463.48
  4. Step 4: Simplify right side
    3,878.82x = 13,186,170.86
  5. Step 5: Solve for x
    x = 13,186,170.86/3,878.82
  6. Step 6: Final answer
    x = 3,399.53

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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.