Home / 3,382.32-5,072.10-1,190.53

Finding the Fourth Proportional to 3,382.32, 5,072.10 and 1,190.53

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Solution

The fourth proportional to 3,382.32, 5,072.10 and 1,190.53 is: 1,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.32 : 5,072.10 = 1,190.53 : x
  2. Step 2: Convert to fraction form
    3,382.32/5,072.10 = 1,190.53/x
  3. Step 3: Cross multiply
    3,382.32x = 5,072.10 × 1,190.53
  4. Step 4: Simplify right side
    3,382.32x = 6,038,487.21
  5. Step 5: Solve for x
    x = 6,038,487.21/3,382.32
  6. Step 6: Final answer
    x = 1,785.31

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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.