Home / 3,938.12-5,901.60-2,183.89

Finding the Fourth Proportional to 3,938.12, 5,901.60 and 2,183.89

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Solution

The fourth proportional to 3,938.12, 5,901.60 and 2,183.89 is: 3,272.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.12 : 5,901.60 = 2,183.89 : x
  2. Step 2: Convert to fraction form
    3,938.12/5,901.60 = 2,183.89/x
  3. Step 3: Cross multiply
    3,938.12x = 5,901.60 × 2,183.89
  4. Step 4: Simplify right side
    3,938.12x = 12,888,445.22
  5. Step 5: Solve for x
    x = 12,888,445.22/3,938.12
  6. Step 6: Final answer
    x = 3,272.74

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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.