Home / 3,938.83-5,908.11-2,292.10

Finding the Fourth Proportional to 3,938.83, 5,908.11 and 2,292.10

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Solution

The fourth proportional to 3,938.83, 5,908.11 and 2,292.10 is: 3,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.83 : 5,908.11 = 2,292.10 : x
  2. Step 2: Convert to fraction form
    3,938.83/5,908.11 = 2,292.10/x
  3. Step 3: Cross multiply
    3,938.83x = 5,908.11 × 2,292.10
  4. Step 4: Simplify right side
    3,938.83x = 13,541,978.93
  5. Step 5: Solve for x
    x = 13,541,978.93/3,938.83
  6. Step 6: Final answer
    x = 3,438.07

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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.