Home / 3,890.66-5,836.34-1,550.09

Finding the Fourth Proportional to 3,890.66, 5,836.34 and 1,550.09

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Solution

The fourth proportional to 3,890.66, 5,836.34 and 1,550.09 is: 2,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.66 : 5,836.34 = 1,550.09 : x
  2. Step 2: Convert to fraction form
    3,890.66/5,836.34 = 1,550.09/x
  3. Step 3: Cross multiply
    3,890.66x = 5,836.34 × 1,550.09
  4. Step 4: Simplify right side
    3,890.66x = 9,046,844.52
  5. Step 5: Solve for x
    x = 9,046,844.52/3,890.66
  6. Step 6: Final answer
    x = 2,325.28

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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.