Home / 3,883.32-5,825.07-1,286.25

Finding the Fourth Proportional to 3,883.32, 5,825.07 and 1,286.25

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Solution

The fourth proportional to 3,883.32, 5,825.07 and 1,286.25 is: 1,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.32 : 5,825.07 = 1,286.25 : x
  2. Step 2: Convert to fraction form
    3,883.32/5,825.07 = 1,286.25/x
  3. Step 3: Cross multiply
    3,883.32x = 5,825.07 × 1,286.25
  4. Step 4: Simplify right side
    3,883.32x = 7,492,496.29
  5. Step 5: Solve for x
    x = 7,492,496.29/3,883.32
  6. Step 6: Final answer
    x = 1,929.40

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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.