Home / 3,258.39-4,493.56-2,179.76

Finding the Fourth Proportional to 3,258.39, 4,493.56 and 2,179.76

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Solution

The fourth proportional to 3,258.39, 4,493.56 and 2,179.76 is: 3,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.39 : 4,493.56 = 2,179.76 : x
  2. Step 2: Convert to fraction form
    3,258.39/4,493.56 = 2,179.76/x
  3. Step 3: Cross multiply
    3,258.39x = 4,493.56 × 2,179.76
  4. Step 4: Simplify right side
    3,258.39x = 9,794,871.45
  5. Step 5: Solve for x
    x = 9,794,871.45/3,258.39
  6. Step 6: Final answer
    x = 3,006.05

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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.