Home / 2,213.94-3,322.96-1,119.08

Finding the Fourth Proportional to 2,213.94, 3,322.96 and 1,119.08

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Solution

The fourth proportional to 2,213.94, 3,322.96 and 1,119.08 is: 1,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.94 : 3,322.96 = 1,119.08 : x
  2. Step 2: Convert to fraction form
    2,213.94/3,322.96 = 1,119.08/x
  3. Step 3: Cross multiply
    2,213.94x = 3,322.96 × 1,119.08
  4. Step 4: Simplify right side
    2,213.94x = 3,718,641.46
  5. Step 5: Solve for x
    x = 3,718,641.46/2,213.94
  6. Step 6: Final answer
    x = 1,679.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.