Home / 3,258.32-4,879.92-1,609.72

Finding the Fourth Proportional to 3,258.32, 4,879.92 and 1,609.72

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Solution

The fourth proportional to 3,258.32, 4,879.92 and 1,609.72 is: 2,410.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.32 : 4,879.92 = 1,609.72 : x
  2. Step 2: Convert to fraction form
    3,258.32/4,879.92 = 1,609.72/x
  3. Step 3: Cross multiply
    3,258.32x = 4,879.92 × 1,609.72
  4. Step 4: Simplify right side
    3,258.32x = 7,855,304.82
  5. Step 5: Solve for x
    x = 7,855,304.82/3,258.32
  6. Step 6: Final answer
    x = 2,410.85

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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.