Home / 3,190.82-4,403.43-1,755.11

Finding the Fourth Proportional to 3,190.82, 4,403.43 and 1,755.11

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Solution

The fourth proportional to 3,190.82, 4,403.43 and 1,755.11 is: 2,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.82 : 4,403.43 = 1,755.11 : x
  2. Step 2: Convert to fraction form
    3,190.82/4,403.43 = 1,755.11/x
  3. Step 3: Cross multiply
    3,190.82x = 4,403.43 × 1,755.11
  4. Step 4: Simplify right side
    3,190.82x = 7,728,495.25
  5. Step 5: Solve for x
    x = 7,728,495.25/3,190.82
  6. Step 6: Final answer
    x = 2,422.10

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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.