Home / 3,258.06-4,493.16-2,138.58

Finding the Fourth Proportional to 3,258.06, 4,493.16 and 2,138.58

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Solution

The fourth proportional to 3,258.06, 4,493.16 and 2,138.58 is: 2,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.06 : 4,493.16 = 2,138.58 : x
  2. Step 2: Convert to fraction form
    3,258.06/4,493.16 = 2,138.58/x
  3. Step 3: Cross multiply
    3,258.06x = 4,493.16 × 2,138.58
  4. Step 4: Simplify right side
    3,258.06x = 9,608,982.11
  5. Step 5: Solve for x
    x = 9,608,982.11/3,258.06
  6. Step 6: Final answer
    x = 2,949.30

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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.