Home / 3,882.27-5,825.88-1,690.50

Finding the Fourth Proportional to 3,882.27, 5,825.88 and 1,690.50

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Solution

The fourth proportional to 3,882.27, 5,825.88 and 1,690.50 is: 2,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.27 : 5,825.88 = 1,690.50 : x
  2. Step 2: Convert to fraction form
    3,882.27/5,825.88 = 1,690.50/x
  3. Step 3: Cross multiply
    3,882.27x = 5,825.88 × 1,690.50
  4. Step 4: Simplify right side
    3,882.27x = 9,848,650.14
  5. Step 5: Solve for x
    x = 9,848,650.14/3,882.27
  6. Step 6: Final answer
    x = 2,536.83

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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.