Home / 3,620.33-5,421.31-3,033.79

Finding the Fourth Proportional to 3,620.33, 5,421.31 and 3,033.79

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Solution

The fourth proportional to 3,620.33, 5,421.31 and 3,033.79 is: 4,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.33 : 5,421.31 = 3,033.79 : x
  2. Step 2: Convert to fraction form
    3,620.33/5,421.31 = 3,033.79/x
  3. Step 3: Cross multiply
    3,620.33x = 5,421.31 × 3,033.79
  4. Step 4: Simplify right side
    3,620.33x = 16,447,116.06
  5. Step 5: Solve for x
    x = 16,447,116.06/3,620.33
  6. Step 6: Final answer
    x = 4,542.99

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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.