Home / 2,447.28-3,668.49-1,627.29

Finding the Fourth Proportional to 2,447.28, 3,668.49 and 1,627.29

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Solution

The fourth proportional to 2,447.28, 3,668.49 and 1,627.29 is: 2,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.28 : 3,668.49 = 1,627.29 : x
  2. Step 2: Convert to fraction form
    2,447.28/3,668.49 = 1,627.29/x
  3. Step 3: Cross multiply
    2,447.28x = 3,668.49 × 1,627.29
  4. Step 4: Simplify right side
    2,447.28x = 5,969,697.09
  5. Step 5: Solve for x
    x = 5,969,697.09/2,447.28
  6. Step 6: Final answer
    x = 2,439.32

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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.