Home / 3,531.78-4,873.89-1,960.02

Finding the Fourth Proportional to 3,531.78, 4,873.89 and 1,960.02

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Solution

The fourth proportional to 3,531.78, 4,873.89 and 1,960.02 is: 2,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.78 : 4,873.89 = 1,960.02 : x
  2. Step 2: Convert to fraction form
    3,531.78/4,873.89 = 1,960.02/x
  3. Step 3: Cross multiply
    3,531.78x = 4,873.89 × 1,960.02
  4. Step 4: Simplify right side
    3,531.78x = 9,552,921.88
  5. Step 5: Solve for x
    x = 9,552,921.88/3,531.78
  6. Step 6: Final answer
    x = 2,704.85

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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.