Home / 4,324.19-6,488.31-2,131.73

Finding the Fourth Proportional to 4,324.19, 6,488.31 and 2,131.73

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Solution

The fourth proportional to 4,324.19, 6,488.31 and 2,131.73 is: 3,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,324.19 : 6,488.31 = 2,131.73 : x
  2. Step 2: Convert to fraction form
    4,324.19/6,488.31 = 2,131.73/x
  3. Step 3: Cross multiply
    4,324.19x = 6,488.31 × 2,131.73
  4. Step 4: Simplify right side
    4,324.19x = 13,831,292.63
  5. Step 5: Solve for x
    x = 13,831,292.63/4,324.19
  6. Step 6: Final answer
    x = 3,198.59

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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.