Home / 3,081.09-4,618.32-1,104.81

Finding the Fourth Proportional to 3,081.09, 4,618.32 and 1,104.81

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Solution

The fourth proportional to 3,081.09, 4,618.32 and 1,104.81 is: 1,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.09 : 4,618.32 = 1,104.81 : x
  2. Step 2: Convert to fraction form
    3,081.09/4,618.32 = 1,104.81/x
  3. Step 3: Cross multiply
    3,081.09x = 4,618.32 × 1,104.81
  4. Step 4: Simplify right side
    3,081.09x = 5,102,360.60
  5. Step 5: Solve for x
    x = 5,102,360.60/3,081.09
  6. Step 6: Final answer
    x = 1,656.03

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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.