Home / 3,883.50-5,825.11-1,286.41

Finding the Fourth Proportional to 3,883.50, 5,825.11 and 1,286.41

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Solution

The fourth proportional to 3,883.50, 5,825.11 and 1,286.41 is: 1,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.50 : 5,825.11 = 1,286.41 : x
  2. Step 2: Convert to fraction form
    3,883.50/5,825.11 = 1,286.41/x
  3. Step 3: Cross multiply
    3,883.50x = 5,825.11 × 1,286.41
  4. Step 4: Simplify right side
    3,883.50x = 7,493,473.32
  5. Step 5: Solve for x
    x = 7,493,473.32/3,883.50
  6. Step 6: Final answer
    x = 1,929.57

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1.5x scale

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.