Home / 3,382.31-5,071.17-1,190.75

Finding the Fourth Proportional to 3,382.31, 5,071.17 and 1,190.75

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Solution

The fourth proportional to 3,382.31, 5,071.17 and 1,190.75 is: 1,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.31 : 5,071.17 = 1,190.75 : x
  2. Step 2: Convert to fraction form
    3,382.31/5,071.17 = 1,190.75/x
  3. Step 3: Cross multiply
    3,382.31x = 5,071.17 × 1,190.75
  4. Step 4: Simplify right side
    3,382.31x = 6,038,495.68
  5. Step 5: Solve for x
    x = 6,038,495.68/3,382.31
  6. Step 6: Final answer
    x = 1,785.32

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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.