Home / 1,943.35-2,680.24-1,195.97

Finding the Fourth Proportional to 1,943.35, 2,680.24 and 1,195.97

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Solution

The fourth proportional to 1,943.35, 2,680.24 and 1,195.97 is: 1,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.35 : 2,680.24 = 1,195.97 : x
  2. Step 2: Convert to fraction form
    1,943.35/2,680.24 = 1,195.97/x
  3. Step 3: Cross multiply
    1,943.35x = 2,680.24 × 1,195.97
  4. Step 4: Simplify right side
    1,943.35x = 3,205,486.63
  5. Step 5: Solve for x
    x = 3,205,486.63/1,943.35
  6. Step 6: Final answer
    x = 1,649.46

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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.