Home / 3,938.63-5,902.35-2,184.44

Finding the Fourth Proportional to 3,938.63, 5,902.35 and 2,184.44

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Solution

The fourth proportional to 3,938.63, 5,902.35 and 2,184.44 is: 3,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.63 : 5,902.35 = 2,184.44 : x
  2. Step 2: Convert to fraction form
    3,938.63/5,902.35 = 2,184.44/x
  3. Step 3: Cross multiply
    3,938.63x = 5,902.35 × 2,184.44
  4. Step 4: Simplify right side
    3,938.63x = 12,893,299.92
  5. Step 5: Solve for x
    x = 12,893,299.92/3,938.63
  6. Step 6: Final answer
    x = 3,273.55

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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.