Home / 3,629.76-5,458.56-2,891.04

Finding the Fourth Proportional to 3,629.76, 5,458.56 and 2,891.04

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Solution

The fourth proportional to 3,629.76, 5,458.56 and 2,891.04 is: 4,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.76 : 5,458.56 = 2,891.04 : x
  2. Step 2: Convert to fraction form
    3,629.76/5,458.56 = 2,891.04/x
  3. Step 3: Cross multiply
    3,629.76x = 5,458.56 × 2,891.04
  4. Step 4: Simplify right side
    3,629.76x = 15,780,915.30
  5. Step 5: Solve for x
    x = 15,780,915.30/3,629.76
  6. Step 6: Final answer
    x = 4,347.65

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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.