Home / 3,804.23-5,249.45-2,189.09

Finding the Fourth Proportional to 3,804.23, 5,249.45 and 2,189.09

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Solution

The fourth proportional to 3,804.23, 5,249.45 and 2,189.09 is: 3,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.23 : 5,249.45 = 2,189.09 : x
  2. Step 2: Convert to fraction form
    3,804.23/5,249.45 = 2,189.09/x
  3. Step 3: Cross multiply
    3,804.23x = 5,249.45 × 2,189.09
  4. Step 4: Simplify right side
    3,804.23x = 11,491,518.50
  5. Step 5: Solve for x
    x = 11,491,518.50/3,804.23
  6. Step 6: Final answer
    x = 3,020.72

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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.