Home / 2,422.41-3,634.32-1,190.19

Finding the Fourth Proportional to 2,422.41, 3,634.32 and 1,190.19

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Solution

The fourth proportional to 2,422.41, 3,634.32 and 1,190.19 is: 1,785.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.41 : 3,634.32 = 1,190.19 : x
  2. Step 2: Convert to fraction form
    2,422.41/3,634.32 = 1,190.19/x
  3. Step 3: Cross multiply
    2,422.41x = 3,634.32 × 1,190.19
  4. Step 4: Simplify right side
    2,422.41x = 4,325,531.32
  5. Step 5: Solve for x
    x = 4,325,531.32/2,422.41
  6. Step 6: Final answer
    x = 1,785.63

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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.