Home / 3,083.11-4,622.49-1,081.31

Finding the Fourth Proportional to 3,083.11, 4,622.49 and 1,081.31

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Solution

The fourth proportional to 3,083.11, 4,622.49 and 1,081.31 is: 1,621.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.11 : 4,622.49 = 1,081.31 : x
  2. Step 2: Convert to fraction form
    3,083.11/4,622.49 = 1,081.31/x
  3. Step 3: Cross multiply
    3,083.11x = 4,622.49 × 1,081.31
  4. Step 4: Simplify right side
    3,083.11x = 4,998,316.14
  5. Step 5: Solve for x
    x = 4,998,316.14/3,083.11
  6. Step 6: Final answer
    x = 1,621.19

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1.5x scale

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.