Home / 1,922.13-2,876.66-1,229.28

Finding the Fourth Proportional to 1,922.13, 2,876.66 and 1,229.28

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Solution

The fourth proportional to 1,922.13, 2,876.66 and 1,229.28 is: 1,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.13 : 2,876.66 = 1,229.28 : x
  2. Step 2: Convert to fraction form
    1,922.13/2,876.66 = 1,229.28/x
  3. Step 3: Cross multiply
    1,922.13x = 2,876.66 × 1,229.28
  4. Step 4: Simplify right side
    1,922.13x = 3,536,206.22
  5. Step 5: Solve for x
    x = 3,536,206.22/1,922.13
  6. Step 6: Final answer
    x = 1,839.73

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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.