Home / 3,081.16-4,619.98-1,832.28

Finding the Fourth Proportional to 3,081.16, 4,619.98 and 1,832.28

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Solution

The fourth proportional to 3,081.16, 4,619.98 and 1,832.28 is: 2,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.16 : 4,619.98 = 1,832.28 : x
  2. Step 2: Convert to fraction form
    3,081.16/4,619.98 = 1,832.28/x
  3. Step 3: Cross multiply
    3,081.16x = 4,619.98 × 1,832.28
  4. Step 4: Simplify right side
    3,081.16x = 8,465,096.95
  5. Step 5: Solve for x
    x = 8,465,096.95/3,081.16
  6. Step 6: Final answer
    x = 2,747.37

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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.