Home / 3,785.65-5,222.23-2,212.83

Finding the Fourth Proportional to 3,785.65, 5,222.23 and 2,212.83

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Solution

The fourth proportional to 3,785.65, 5,222.23 and 2,212.83 is: 3,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.65 : 5,222.23 = 2,212.83 : x
  2. Step 2: Convert to fraction form
    3,785.65/5,222.23 = 2,212.83/x
  3. Step 3: Cross multiply
    3,785.65x = 5,222.23 × 2,212.83
  4. Step 4: Simplify right side
    3,785.65x = 11,555,907.21
  5. Step 5: Solve for x
    x = 11,555,907.21/3,785.65
  6. Step 6: Final answer
    x = 3,052.56

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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.