Home / 3,921.36-5,877.82-1,944.96

Finding the Fourth Proportional to 3,921.36, 5,877.82 and 1,944.96

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Solution

The fourth proportional to 3,921.36, 5,877.82 and 1,944.96 is: 2,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.36 : 5,877.82 = 1,944.96 : x
  2. Step 2: Convert to fraction form
    3,921.36/5,877.82 = 1,944.96/x
  3. Step 3: Cross multiply
    3,921.36x = 5,877.82 × 1,944.96
  4. Step 4: Simplify right side
    3,921.36x = 11,432,124.79
  5. Step 5: Solve for x
    x = 11,432,124.79/3,921.36
  6. Step 6: Final answer
    x = 2,915.35

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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.