Home / 3,932.16-5,419.36-3,022.08

Finding the Fourth Proportional to 3,932.16, 5,419.36 and 3,022.08

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Solution

The fourth proportional to 3,932.16, 5,419.36 and 3,022.08 is: 4,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.16 : 5,419.36 = 3,022.08 : x
  2. Step 2: Convert to fraction form
    3,932.16/5,419.36 = 3,022.08/x
  3. Step 3: Cross multiply
    3,932.16x = 5,419.36 × 3,022.08
  4. Step 4: Simplify right side
    3,932.16x = 16,377,739.47
  5. Step 5: Solve for x
    x = 16,377,739.47/3,932.16
  6. Step 6: Final answer
    x = 4,165.07

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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.