Home / 3,270.45-4,512.45-2,210.19

Finding the Fourth Proportional to 3,270.45, 4,512.45 and 2,210.19

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Solution

The fourth proportional to 3,270.45, 4,512.45 and 2,210.19 is: 3,049.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.45 : 4,512.45 = 2,210.19 : x
  2. Step 2: Convert to fraction form
    3,270.45/4,512.45 = 2,210.19/x
  3. Step 3: Cross multiply
    3,270.45x = 4,512.45 × 2,210.19
  4. Step 4: Simplify right side
    3,270.45x = 9,973,371.87
  5. Step 5: Solve for x
    x = 9,973,371.87/3,270.45
  6. Step 6: Final answer
    x = 3,049.54

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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.