Home / 3,512.19-5,235.73-3,249.75

Finding the Fourth Proportional to 3,512.19, 5,235.73 and 3,249.75

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Solution

The fourth proportional to 3,512.19, 5,235.73 and 3,249.75 is: 4,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.19 : 5,235.73 = 3,249.75 : x
  2. Step 2: Convert to fraction form
    3,512.19/5,235.73 = 3,249.75/x
  3. Step 3: Cross multiply
    3,512.19x = 5,235.73 × 3,249.75
  4. Step 4: Simplify right side
    3,512.19x = 17,014,813.57
  5. Step 5: Solve for x
    x = 17,014,813.57/3,512.19
  6. Step 6: Final answer
    x = 4,844.50

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.