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Finding the Fourth Proportional to 3,889.27, 5,836.20 and 1,550.39

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Solution

The fourth proportional to 3,889.27, 5,836.20 and 1,550.39 is: 2,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.27 : 5,836.20 = 1,550.39 : x
  2. Step 2: Convert to fraction form
    3,889.27/5,836.20 = 1,550.39/x
  3. Step 3: Cross multiply
    3,889.27x = 5,836.20 × 1,550.39
  4. Step 4: Simplify right side
    3,889.27x = 9,048,392.67
  5. Step 5: Solve for x
    x = 9,048,392.67/3,889.27
  6. Step 6: Final answer
    x = 2,326.50

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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.