Home / 3,531.54-4,873.41-1,959.78

Finding the Fourth Proportional to 3,531.54, 4,873.41 and 1,959.78

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Solution

The fourth proportional to 3,531.54, 4,873.41 and 1,959.78 is: 2,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.54 : 4,873.41 = 1,959.78 : x
  2. Step 2: Convert to fraction form
    3,531.54/4,873.41 = 1,959.78/x
  3. Step 3: Cross multiply
    3,531.54x = 4,873.41 × 1,959.78
  4. Step 4: Simplify right side
    3,531.54x = 9,550,811.45
  5. Step 5: Solve for x
    x = 9,550,811.45/3,531.54
  6. Step 6: Final answer
    x = 2,704.43

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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.