Home / 3,883.40-5,825.94-1,286.18

Finding the Fourth Proportional to 3,883.40, 5,825.94 and 1,286.18

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Solution

The fourth proportional to 3,883.40, 5,825.94 and 1,286.18 is: 1,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.40 : 5,825.94 = 1,286.18 : x
  2. Step 2: Convert to fraction form
    3,883.40/5,825.94 = 1,286.18/x
  3. Step 3: Cross multiply
    3,883.40x = 5,825.94 × 1,286.18
  4. Step 4: Simplify right side
    3,883.40x = 7,493,207.51
  5. Step 5: Solve for x
    x = 7,493,207.51/3,883.40
  6. Step 6: Final answer
    x = 1,929.55

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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.