Home / 3,619.91-4,992.89-3,322.11

Finding the Fourth Proportional to 3,619.91, 4,992.89 and 3,322.11

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Solution

The fourth proportional to 3,619.91, 4,992.89 and 3,322.11 is: 4,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.91 : 4,992.89 = 3,322.11 : x
  2. Step 2: Convert to fraction form
    3,619.91/4,992.89 = 3,322.11/x
  3. Step 3: Cross multiply
    3,619.91x = 4,992.89 × 3,322.11
  4. Step 4: Simplify right side
    3,619.91x = 16,586,956.04
  5. Step 5: Solve for x
    x = 16,586,956.04/3,619.91
  6. Step 6: Final answer
    x = 4,582.15

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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.