Home / 3,618.65-5,452.30-3,272.38

Finding the Fourth Proportional to 3,618.65, 5,452.30 and 3,272.38

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Solution

The fourth proportional to 3,618.65, 5,452.30 and 3,272.38 is: 4,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.65 : 5,452.30 = 3,272.38 : x
  2. Step 2: Convert to fraction form
    3,618.65/5,452.30 = 3,272.38/x
  3. Step 3: Cross multiply
    3,618.65x = 5,452.30 × 3,272.38
  4. Step 4: Simplify right side
    3,618.65x = 17,841,987.93
  5. Step 5: Solve for x
    x = 17,841,987.93/3,618.65
  6. Step 6: Final answer
    x = 4,930.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.