Home / 2,850.46-3,932.71-1,591.31

Finding the Fourth Proportional to 2,850.46, 3,932.71 and 1,591.31

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Solution

The fourth proportional to 2,850.46, 3,932.71 and 1,591.31 is: 2,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.46 : 3,932.71 = 1,591.31 : x
  2. Step 2: Convert to fraction form
    2,850.46/3,932.71 = 1,591.31/x
  3. Step 3: Cross multiply
    2,850.46x = 3,932.71 × 1,591.31
  4. Step 4: Simplify right side
    2,850.46x = 6,258,166.60
  5. Step 5: Solve for x
    x = 6,258,166.60/2,850.46
  6. Step 6: Final answer
    x = 2,195.50

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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.