Home / 3,297.38-4,550.45-1,971.09

Finding the Fourth Proportional to 3,297.38, 4,550.45 and 1,971.09

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Solution

The fourth proportional to 3,297.38, 4,550.45 and 1,971.09 is: 2,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.38 : 4,550.45 = 1,971.09 : x
  2. Step 2: Convert to fraction form
    3,297.38/4,550.45 = 1,971.09/x
  3. Step 3: Cross multiply
    3,297.38x = 4,550.45 × 1,971.09
  4. Step 4: Simplify right side
    3,297.38x = 8,969,336.64
  5. Step 5: Solve for x
    x = 8,969,336.64/3,297.38
  6. Step 6: Final answer
    x = 2,720.14

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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.