Home / 3,825.50-5,738.26-1,089.50

Finding the Fourth Proportional to 3,825.50, 5,738.26 and 1,089.50

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Solution

The fourth proportional to 3,825.50, 5,738.26 and 1,089.50 is: 1,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.50 : 5,738.26 = 1,089.50 : x
  2. Step 2: Convert to fraction form
    3,825.50/5,738.26 = 1,089.50/x
  3. Step 3: Cross multiply
    3,825.50x = 5,738.26 × 1,089.50
  4. Step 4: Simplify right side
    3,825.50x = 6,251,834.27
  5. Step 5: Solve for x
    x = 6,251,834.27/3,825.50
  6. Step 6: Final answer
    x = 1,634.25

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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.