Home / 3,310.49-4,965.87-1,119.44

Finding the Fourth Proportional to 3,310.49, 4,965.87 and 1,119.44

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Solution

The fourth proportional to 3,310.49, 4,965.87 and 1,119.44 is: 1,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.49 : 4,965.87 = 1,119.44 : x
  2. Step 2: Convert to fraction form
    3,310.49/4,965.87 = 1,119.44/x
  3. Step 3: Cross multiply
    3,310.49x = 4,965.87 × 1,119.44
  4. Step 4: Simplify right side
    3,310.49x = 5,558,993.51
  5. Step 5: Solve for x
    x = 5,558,993.51/3,310.49
  6. Step 6: Final answer
    x = 1,679.21

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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.