Home / 3,682.31-5,079.42-2,355.53

Finding the Fourth Proportional to 3,682.31, 5,079.42 and 2,355.53

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Solution

The fourth proportional to 3,682.31, 5,079.42 and 2,355.53 is: 3,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.31 : 5,079.42 = 2,355.53 : x
  2. Step 2: Convert to fraction form
    3,682.31/5,079.42 = 2,355.53/x
  3. Step 3: Cross multiply
    3,682.31x = 5,079.42 × 2,355.53
  4. Step 4: Simplify right side
    3,682.31x = 11,964,700.80
  5. Step 5: Solve for x
    x = 11,964,700.80/3,682.31
  6. Step 6: Final answer
    x = 3,249.24

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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.