Home / 3,531.14-4,872.78-1,959.12

Finding the Fourth Proportional to 3,531.14, 4,872.78 and 1,959.12

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Solution

The fourth proportional to 3,531.14, 4,872.78 and 1,959.12 is: 2,703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.14 : 4,872.78 = 1,959.12 : x
  2. Step 2: Convert to fraction form
    3,531.14/4,872.78 = 1,959.12/x
  3. Step 3: Cross multiply
    3,531.14x = 4,872.78 × 1,959.12
  4. Step 4: Simplify right side
    3,531.14x = 9,546,360.75
  5. Step 5: Solve for x
    x = 9,546,360.75/3,531.14
  6. Step 6: Final answer
    x = 2,703.48

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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.