Home / 3,081.66-4,619.85-1,234.08

Finding the Fourth Proportional to 3,081.66, 4,619.85 and 1,234.08

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Solution

The fourth proportional to 3,081.66, 4,619.85 and 1,234.08 is: 1,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.66 : 4,619.85 = 1,234.08 : x
  2. Step 2: Convert to fraction form
    3,081.66/4,619.85 = 1,234.08/x
  3. Step 3: Cross multiply
    3,081.66x = 4,619.85 × 1,234.08
  4. Step 4: Simplify right side
    3,081.66x = 5,701,264.49
  5. Step 5: Solve for x
    x = 5,701,264.49/3,081.66
  6. Step 6: Final answer
    x = 1,850.06

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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.