Home / 3,618.24-5,418.85-1,763.54

Finding the Fourth Proportional to 3,618.24, 5,418.85 and 1,763.54

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Solution

The fourth proportional to 3,618.24, 5,418.85 and 1,763.54 is: 2,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.24 : 5,418.85 = 1,763.54 : x
  2. Step 2: Convert to fraction form
    3,618.24/5,418.85 = 1,763.54/x
  3. Step 3: Cross multiply
    3,618.24x = 5,418.85 × 1,763.54
  4. Step 4: Simplify right side
    3,618.24x = 9,556,350.85
  5. Step 5: Solve for x
    x = 9,556,350.85/3,618.24
  6. Step 6: Final answer
    x = 2,641.16

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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.