Home / 2,588.21-3,879.58-1,764.44

Finding the Fourth Proportional to 2,588.21, 3,879.58 and 1,764.44

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Solution

The fourth proportional to 2,588.21, 3,879.58 and 1,764.44 is: 2,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.21 : 3,879.58 = 1,764.44 : x
  2. Step 2: Convert to fraction form
    2,588.21/3,879.58 = 1,764.44/x
  3. Step 3: Cross multiply
    2,588.21x = 3,879.58 × 1,764.44
  4. Step 4: Simplify right side
    2,588.21x = 6,845,286.14
  5. Step 5: Solve for x
    x = 6,845,286.14/2,588.21
  6. Step 6: Final answer
    x = 2,644.80

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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.