Home / 3,782.26-5,218.76-2,210.05

Finding the Fourth Proportional to 3,782.26, 5,218.76 and 2,210.05

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Solution

The fourth proportional to 3,782.26, 5,218.76 and 2,210.05 is: 3,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.26 : 5,218.76 = 2,210.05 : x
  2. Step 2: Convert to fraction form
    3,782.26/5,218.76 = 2,210.05/x
  3. Step 3: Cross multiply
    3,782.26x = 5,218.76 × 2,210.05
  4. Step 4: Simplify right side
    3,782.26x = 11,533,720.54
  5. Step 5: Solve for x
    x = 11,533,720.54/3,782.26
  6. Step 6: Final answer
    x = 3,049.43

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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.