Home / 2,621.93-3,930.98-1,234.49

Finding the Fourth Proportional to 2,621.93, 3,930.98 and 1,234.49

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Solution

The fourth proportional to 2,621.93, 3,930.98 and 1,234.49 is: 1,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.93 : 3,930.98 = 1,234.49 : x
  2. Step 2: Convert to fraction form
    2,621.93/3,930.98 = 1,234.49/x
  3. Step 3: Cross multiply
    2,621.93x = 3,930.98 × 1,234.49
  4. Step 4: Simplify right side
    2,621.93x = 4,852,755.50
  5. Step 5: Solve for x
    x = 4,852,755.50/2,621.93
  6. Step 6: Final answer
    x = 1,850.83

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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.