Home / 3,823.75-5,731.75-2,591.28

Finding the Fourth Proportional to 3,823.75, 5,731.75 and 2,591.28

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Solution

The fourth proportional to 3,823.75, 5,731.75 and 2,591.28 is: 3,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.75 : 5,731.75 = 2,591.28 : x
  2. Step 2: Convert to fraction form
    3,823.75/5,731.75 = 2,591.28/x
  3. Step 3: Cross multiply
    3,823.75x = 5,731.75 × 2,591.28
  4. Step 4: Simplify right side
    3,823.75x = 14,852,584.16
  5. Step 5: Solve for x
    x = 14,852,584.16/3,823.75
  6. Step 6: Final answer
    x = 3,884.30

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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.