Home / 3,629.38-4,973.66-3,279.46

Finding the Fourth Proportional to 3,629.38, 4,973.66 and 3,279.46

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Solution

The fourth proportional to 3,629.38, 4,973.66 and 3,279.46 is: 4,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.38 : 4,973.66 = 3,279.46 : x
  2. Step 2: Convert to fraction form
    3,629.38/4,973.66 = 3,279.46/x
  3. Step 3: Cross multiply
    3,629.38x = 4,973.66 × 3,279.46
  4. Step 4: Simplify right side
    3,629.38x = 16,310,919.02
  5. Step 5: Solve for x
    x = 16,310,919.02/3,629.38
  6. Step 6: Final answer
    x = 4,494.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.