Home / 3,961.58-5,938.44-1,877.92

Finding the Fourth Proportional to 3,961.58, 5,938.44 and 1,877.92

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Solution

The fourth proportional to 3,961.58, 5,938.44 and 1,877.92 is: 2,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.58 : 5,938.44 = 1,877.92 : x
  2. Step 2: Convert to fraction form
    3,961.58/5,938.44 = 1,877.92/x
  3. Step 3: Cross multiply
    3,961.58x = 5,938.44 × 1,877.92
  4. Step 4: Simplify right side
    3,961.58x = 11,151,915.24
  5. Step 5: Solve for x
    x = 11,151,915.24/3,961.58
  6. Step 6: Final answer
    x = 2,815.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.