Home / 3,201.66-4,419.78-2,258.22

Finding the Fourth Proportional to 3,201.66, 4,419.78 and 2,258.22

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Solution

The fourth proportional to 3,201.66, 4,419.78 and 2,258.22 is: 3,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.66 : 4,419.78 = 2,258.22 : x
  2. Step 2: Convert to fraction form
    3,201.66/4,419.78 = 2,258.22/x
  3. Step 3: Cross multiply
    3,201.66x = 4,419.78 × 2,258.22
  4. Step 4: Simplify right side
    3,201.66x = 9,980,835.59
  5. Step 5: Solve for x
    x = 9,980,835.59/3,201.66
  6. Step 6: Final answer
    x = 3,117.39

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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.