Home / 3,258.12-4,879.88-3,148.76

Finding the Fourth Proportional to 3,258.12, 4,879.88 and 3,148.76

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Solution

The fourth proportional to 3,258.12, 4,879.88 and 3,148.76 is: 4,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.12 : 4,879.88 = 3,148.76 : x
  2. Step 2: Convert to fraction form
    3,258.12/4,879.88 = 3,148.76/x
  3. Step 3: Cross multiply
    3,258.12x = 4,879.88 × 3,148.76
  4. Step 4: Simplify right side
    3,258.12x = 15,365,570.95
  5. Step 5: Solve for x
    x = 15,365,570.95/3,258.12
  6. Step 6: Final answer
    x = 4,716.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.