Home / 3,292.78-4,938.62-1,101.22

Finding the Fourth Proportional to 3,292.78, 4,938.62 and 1,101.22

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Solution

The fourth proportional to 3,292.78, 4,938.62 and 1,101.22 is: 1,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.78 : 4,938.62 = 1,101.22 : x
  2. Step 2: Convert to fraction form
    3,292.78/4,938.62 = 1,101.22/x
  3. Step 3: Cross multiply
    3,292.78x = 4,938.62 × 1,101.22
  4. Step 4: Simplify right side
    3,292.78x = 5,438,507.12
  5. Step 5: Solve for x
    x = 5,438,507.12/3,292.78
  6. Step 6: Final answer
    x = 1,651.65

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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.