Home / 3,630.39-5,004.49-2,843.07

Finding the Fourth Proportional to 3,630.39, 5,004.49 and 2,843.07

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Solution

The fourth proportional to 3,630.39, 5,004.49 and 2,843.07 is: 3,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.39 : 5,004.49 = 2,843.07 : x
  2. Step 2: Convert to fraction form
    3,630.39/5,004.49 = 2,843.07/x
  3. Step 3: Cross multiply
    3,630.39x = 5,004.49 × 2,843.07
  4. Step 4: Simplify right side
    3,630.39x = 14,228,115.38
  5. Step 5: Solve for x
    x = 14,228,115.38/3,630.39
  6. Step 6: Final answer
    x = 3,919.17

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1.5x scale

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.