Home / 1,943.78-2,682.18-1,104.48

Finding the Fourth Proportional to 1,943.78, 2,682.18 and 1,104.48

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Solution

The fourth proportional to 1,943.78, 2,682.18 and 1,104.48 is: 1,524.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.78 : 2,682.18 = 1,104.48 : x
  2. Step 2: Convert to fraction form
    1,943.78/2,682.18 = 1,104.48/x
  3. Step 3: Cross multiply
    1,943.78x = 2,682.18 × 1,104.48
  4. Step 4: Simplify right side
    1,943.78x = 2,962,414.17
  5. Step 5: Solve for x
    x = 2,962,414.17/1,943.78
  6. Step 6: Final answer
    x = 1,524.05

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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.