Home / 3,081.67-4,623.30-1,107.22

Finding the Fourth Proportional to 3,081.67, 4,623.30 and 1,107.22

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Solution

The fourth proportional to 3,081.67, 4,623.30 and 1,107.22 is: 1,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.67 : 4,623.30 = 1,107.22 : x
  2. Step 2: Convert to fraction form
    3,081.67/4,623.30 = 1,107.22/x
  3. Step 3: Cross multiply
    3,081.67x = 4,623.30 × 1,107.22
  4. Step 4: Simplify right side
    3,081.67x = 5,119,010.23
  5. Step 5: Solve for x
    x = 5,119,010.23/3,081.67
  6. Step 6: Final answer
    x = 1,661.12

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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.