Home / 3,879.45-5,817.96-2,236.77

Finding the Fourth Proportional to 3,879.45, 5,817.96 and 2,236.77

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Solution

The fourth proportional to 3,879.45, 5,817.96 and 2,236.77 is: 3,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.45 : 5,817.96 = 2,236.77 : x
  2. Step 2: Convert to fraction form
    3,879.45/5,817.96 = 2,236.77/x
  3. Step 3: Cross multiply
    3,879.45x = 5,817.96 × 2,236.77
  4. Step 4: Simplify right side
    3,879.45x = 13,013,438.39
  5. Step 5: Solve for x
    x = 13,013,438.39/3,879.45
  6. Step 6: Final answer
    x = 3,354.45

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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.