Home / 3,804.38-5,249.74-2,125.65

Finding the Fourth Proportional to 3,804.38, 5,249.74 and 2,125.65

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Solution

The fourth proportional to 3,804.38, 5,249.74 and 2,125.65 is: 2,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.38 : 5,249.74 = 2,125.65 : x
  2. Step 2: Convert to fraction form
    3,804.38/5,249.74 = 2,125.65/x
  3. Step 3: Cross multiply
    3,804.38x = 5,249.74 × 2,125.65
  4. Step 4: Simplify right side
    3,804.38x = 11,159,109.83
  5. Step 5: Solve for x
    x = 11,159,109.83/3,804.38
  6. Step 6: Final answer
    x = 2,933.23

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Half scale
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Double scale
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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.