Home / 3,382.17-5,072.81-1,190.63

Finding the Fourth Proportional to 3,382.17, 5,072.81 and 1,190.63

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Solution

The fourth proportional to 3,382.17, 5,072.81 and 1,190.63 is: 1,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.17 : 5,072.81 = 1,190.63 : x
  2. Step 2: Convert to fraction form
    3,382.17/5,072.81 = 1,190.63/x
  3. Step 3: Cross multiply
    3,382.17x = 5,072.81 × 1,190.63
  4. Step 4: Simplify right side
    3,382.17x = 6,039,808.45
  5. Step 5: Solve for x
    x = 6,039,808.45/3,382.17
  6. Step 6: Final answer
    x = 1,785.78

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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.