Home / 3,639.73-5,023.44-2,148.02

Finding the Fourth Proportional to 3,639.73, 5,023.44 and 2,148.02

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Solution

The fourth proportional to 3,639.73, 5,023.44 and 2,148.02 is: 2,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.73 : 5,023.44 = 2,148.02 : x
  2. Step 2: Convert to fraction form
    3,639.73/5,023.44 = 2,148.02/x
  3. Step 3: Cross multiply
    3,639.73x = 5,023.44 × 2,148.02
  4. Step 4: Simplify right side
    3,639.73x = 10,790,449.59
  5. Step 5: Solve for x
    x = 10,790,449.59/3,639.73
  6. Step 6: Final answer
    x = 2,964.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.