Home / 3,790.24-5,230.94-2,219.65

Finding the Fourth Proportional to 3,790.24, 5,230.94 and 2,219.65

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Solution

The fourth proportional to 3,790.24, 5,230.94 and 2,219.65 is: 3,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.24 : 5,230.94 = 2,219.65 : x
  2. Step 2: Convert to fraction form
    3,790.24/5,230.94 = 2,219.65/x
  3. Step 3: Cross multiply
    3,790.24x = 5,230.94 × 2,219.65
  4. Step 4: Simplify right side
    3,790.24x = 11,610,855.97
  5. Step 5: Solve for x
    x = 11,610,855.97/3,790.24
  6. Step 6: Final answer
    x = 3,063.36

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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.