Home / 4,121.22-5,687.36-2,258.22

Finding the Fourth Proportional to 4,121.22, 5,687.36 and 2,258.22

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Solution

The fourth proportional to 4,121.22, 5,687.36 and 2,258.22 is: 3,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.22 : 5,687.36 = 2,258.22 : x
  2. Step 2: Convert to fraction form
    4,121.22/5,687.36 = 2,258.22/x
  3. Step 3: Cross multiply
    4,121.22x = 5,687.36 × 2,258.22
  4. Step 4: Simplify right side
    4,121.22x = 12,843,310.10
  5. Step 5: Solve for x
    x = 12,843,310.10/4,121.22
  6. Step 6: Final answer
    x = 3,116.39

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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.