Home / 3,418.30-5,123.80-1,443.52

Finding the Fourth Proportional to 3,418.30, 5,123.80 and 1,443.52

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Solution

The fourth proportional to 3,418.30, 5,123.80 and 1,443.52 is: 2,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.30 : 5,123.80 = 1,443.52 : x
  2. Step 2: Convert to fraction form
    3,418.30/5,123.80 = 1,443.52/x
  3. Step 3: Cross multiply
    3,418.30x = 5,123.80 × 1,443.52
  4. Step 4: Simplify right side
    3,418.30x = 7,396,274.94
  5. Step 5: Solve for x
    x = 7,396,274.94/3,418.30
  6. Step 6: Final answer
    x = 2,163.73

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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.