Home / 2,850.38-3,933.20-1,655

Finding the Fourth Proportional to 2,850.38, 3,933.20 and 1,655

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Solution

The fourth proportional to 2,850.38, 3,933.20 and 1,655 is: 2,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.38 : 3,933.20 = 1,655 : x
  2. Step 2: Convert to fraction form
    2,850.38/3,933.20 = 1,655/x
  3. Step 3: Cross multiply
    2,850.38x = 3,933.20 × 1,655
  4. Step 4: Simplify right side
    2,850.38x = 6,509,446
  5. Step 5: Solve for x
    x = 6,509,446/2,850.38
  6. Step 6: Final answer
    x = 2,283.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.