Home / 2,169.26-3,249.55-997.66

Finding the Fourth Proportional to 2,169.26, 3,249.55 and 997.66

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Solution

The fourth proportional to 2,169.26, 3,249.55 and 997.66 is: 1,494.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.26 : 3,249.55 = 997.66 : x
  2. Step 2: Convert to fraction form
    2,169.26/3,249.55 = 997.66/x
  3. Step 3: Cross multiply
    2,169.26x = 3,249.55 × 997.66
  4. Step 4: Simplify right side
    2,169.26x = 3,241,927.47
  5. Step 5: Solve for x
    x = 3,241,927.47/2,169.26
  6. Step 6: Final answer
    x = 1,494.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.