Home / 3,795.82-5,234.81-2,379.65

Finding the Fourth Proportional to 3,795.82, 5,234.81 and 2,379.65

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Solution

The fourth proportional to 3,795.82, 5,234.81 and 2,379.65 is: 3,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.82 : 5,234.81 = 2,379.65 : x
  2. Step 2: Convert to fraction form
    3,795.82/5,234.81 = 2,379.65/x
  3. Step 3: Cross multiply
    3,795.82x = 5,234.81 × 2,379.65
  4. Step 4: Simplify right side
    3,795.82x = 12,456,977.54
  5. Step 5: Solve for x
    x = 12,456,977.54/3,795.82
  6. Step 6: Final answer
    x = 3,281.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.