Home / 1,920.39-2,884.23-1,195.03

Finding the Fourth Proportional to 1,920.39, 2,884.23 and 1,195.03

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Solution

The fourth proportional to 1,920.39, 2,884.23 and 1,195.03 is: 1,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920.39 : 2,884.23 = 1,195.03 : x
  2. Step 2: Convert to fraction form
    1,920.39/2,884.23 = 1,195.03/x
  3. Step 3: Cross multiply
    1,920.39x = 2,884.23 × 1,195.03
  4. Step 4: Simplify right side
    1,920.39x = 3,446,744.98
  5. Step 5: Solve for x
    x = 3,446,744.98/1,920.39
  6. Step 6: Final answer
    x = 1,794.82

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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.