Home / 3,836.28-5,755.62-1,527.78

Finding the Fourth Proportional to 3,836.28, 5,755.62 and 1,527.78

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Solution

The fourth proportional to 3,836.28, 5,755.62 and 1,527.78 is: 2,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.28 : 5,755.62 = 1,527.78 : x
  2. Step 2: Convert to fraction form
    3,836.28/5,755.62 = 1,527.78/x
  3. Step 3: Cross multiply
    3,836.28x = 5,755.62 × 1,527.78
  4. Step 4: Simplify right side
    3,836.28x = 8,793,321.12
  5. Step 5: Solve for x
    x = 8,793,321.12/3,836.28
  6. Step 6: Final answer
    x = 2,292.15

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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.