Home / 3,923.82-5,887.44-1,458.09

Finding the Fourth Proportional to 3,923.82, 5,887.44 and 1,458.09

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Solution

The fourth proportional to 3,923.82, 5,887.44 and 1,458.09 is: 2,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.82 : 5,887.44 = 1,458.09 : x
  2. Step 2: Convert to fraction form
    3,923.82/5,887.44 = 1,458.09/x
  3. Step 3: Cross multiply
    3,923.82x = 5,887.44 × 1,458.09
  4. Step 4: Simplify right side
    3,923.82x = 8,584,417.39
  5. Step 5: Solve for x
    x = 8,584,417.39/3,923.82
  6. Step 6: Final answer
    x = 2,187.77

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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.