Home / 3,366-4,645.44-2,187.36

Finding the Fourth Proportional to 3,366, 4,645.44 and 2,187.36

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Solution

The fourth proportional to 3,366, 4,645.44 and 2,187.36 is: 3,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366 : 4,645.44 = 2,187.36 : x
  2. Step 2: Convert to fraction form
    3,366/4,645.44 = 2,187.36/x
  3. Step 3: Cross multiply
    3,366x = 4,645.44 × 2,187.36
  4. Step 4: Simplify right side
    3,366x = 10,161,249.64
  5. Step 5: Solve for x
    x = 10,161,249.64/3,366
  6. Step 6: Final answer
    x = 3,018.79

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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.