Home / 3,531.72-4,873.79-1,959.82

Finding the Fourth Proportional to 3,531.72, 4,873.79 and 1,959.82

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Solution

The fourth proportional to 3,531.72, 4,873.79 and 1,959.82 is: 2,704.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.72 : 4,873.79 = 1,959.82 : x
  2. Step 2: Convert to fraction form
    3,531.72/4,873.79 = 1,959.82/x
  3. Step 3: Cross multiply
    3,531.72x = 4,873.79 × 1,959.82
  4. Step 4: Simplify right side
    3,531.72x = 9,551,743.83
  5. Step 5: Solve for x
    x = 9,551,743.83/3,531.72
  6. Step 6: Final answer
    x = 2,704.56

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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.