Home / 1,943.69-2,682.20-1,104.29

Finding the Fourth Proportional to 1,943.69, 2,682.20 and 1,104.29

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Solution

The fourth proportional to 1,943.69, 2,682.20 and 1,104.29 is: 1,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.69 : 2,682.20 = 1,104.29 : x
  2. Step 2: Convert to fraction form
    1,943.69/2,682.20 = 1,104.29/x
  3. Step 3: Cross multiply
    1,943.69x = 2,682.20 × 1,104.29
  4. Step 4: Simplify right side
    1,943.69x = 2,961,911.85
  5. Step 5: Solve for x
    x = 2,961,911.85/1,943.69
  6. Step 6: Final answer
    x = 1,523.86

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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.