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Finding the Fourth Proportional to 3,889.37, 5,836.44 and 1,550.50

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Solution

The fourth proportional to 3,889.37, 5,836.44 and 1,550.50 is: 2,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.37 : 5,836.44 = 1,550.50 : x
  2. Step 2: Convert to fraction form
    3,889.37/5,836.44 = 1,550.50/x
  3. Step 3: Cross multiply
    3,889.37x = 5,836.44 × 1,550.50
  4. Step 4: Simplify right side
    3,889.37x = 9,049,400.22
  5. Step 5: Solve for x
    x = 9,049,400.22/3,889.37
  6. Step 6: Final answer
    x = 2,326.70

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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.