Home / 3,790.80-5,234.54-2,376.86

Finding the Fourth Proportional to 3,790.80, 5,234.54 and 2,376.86

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Solution

The fourth proportional to 3,790.80, 5,234.54 and 2,376.86 is: 3,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.80 : 5,234.54 = 2,376.86 : x
  2. Step 2: Convert to fraction form
    3,790.80/5,234.54 = 2,376.86/x
  3. Step 3: Cross multiply
    3,790.80x = 5,234.54 × 2,376.86
  4. Step 4: Simplify right side
    3,790.80x = 12,441,769.95
  5. Step 5: Solve for x
    x = 12,441,769.95/3,790.80
  6. Step 6: Final answer
    x = 3,282.10

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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.