Home / 3,190.97-4,403.21-1,774.43

Finding the Fourth Proportional to 3,190.97, 4,403.21 and 1,774.43

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Solution

The fourth proportional to 3,190.97, 4,403.21 and 1,774.43 is: 2,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.97 : 4,403.21 = 1,774.43 : x
  2. Step 2: Convert to fraction form
    3,190.97/4,403.21 = 1,774.43/x
  3. Step 3: Cross multiply
    3,190.97x = 4,403.21 × 1,774.43
  4. Step 4: Simplify right side
    3,190.97x = 7,813,179.05
  5. Step 5: Solve for x
    x = 7,813,179.05/3,190.97
  6. Step 6: Final answer
    x = 2,448.53

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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.