Home / 2,630.39-3,629.97-1,451.43

Finding the Fourth Proportional to 2,630.39, 3,629.97 and 1,451.43

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Solution

The fourth proportional to 2,630.39, 3,629.97 and 1,451.43 is: 2,002.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.39 : 3,629.97 = 1,451.43 : x
  2. Step 2: Convert to fraction form
    2,630.39/3,629.97 = 1,451.43/x
  3. Step 3: Cross multiply
    2,630.39x = 3,629.97 × 1,451.43
  4. Step 4: Simplify right side
    2,630.39x = 5,268,647.36
  5. Step 5: Solve for x
    x = 5,268,647.36/2,630.39
  6. Step 6: Final answer
    x = 2,002.99

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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.