Home / 3,081.22-4,619.94-1,230.22

Finding the Fourth Proportional to 3,081.22, 4,619.94 and 1,230.22

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Solution

The fourth proportional to 3,081.22, 4,619.94 and 1,230.22 is: 1,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.22 : 4,619.94 = 1,230.22 : x
  2. Step 2: Convert to fraction form
    3,081.22/4,619.94 = 1,230.22/x
  3. Step 3: Cross multiply
    3,081.22x = 4,619.94 × 1,230.22
  4. Step 4: Simplify right side
    3,081.22x = 5,683,542.59
  5. Step 5: Solve for x
    x = 5,683,542.59/3,081.22
  6. Step 6: Final answer
    x = 1,844.58

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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.