Home / 3,616.08-5,421.96-1,768.56

Finding the Fourth Proportional to 3,616.08, 5,421.96 and 1,768.56

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Solution

The fourth proportional to 3,616.08, 5,421.96 and 1,768.56 is: 2,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.08 : 5,421.96 = 1,768.56 : x
  2. Step 2: Convert to fraction form
    3,616.08/5,421.96 = 1,768.56/x
  3. Step 3: Cross multiply
    3,616.08x = 5,421.96 × 1,768.56
  4. Step 4: Simplify right side
    3,616.08x = 9,589,061.58
  5. Step 5: Solve for x
    x = 9,589,061.58/3,616.08
  6. Step 6: Final answer
    x = 2,651.78

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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.