Home / 3,246.44-4,479.18-2,185.70

Finding the Fourth Proportional to 3,246.44, 4,479.18 and 2,185.70

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Solution

The fourth proportional to 3,246.44, 4,479.18 and 2,185.70 is: 3,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.44 : 4,479.18 = 2,185.70 : x
  2. Step 2: Convert to fraction form
    3,246.44/4,479.18 = 2,185.70/x
  3. Step 3: Cross multiply
    3,246.44x = 4,479.18 × 2,185.70
  4. Step 4: Simplify right side
    3,246.44x = 9,790,143.73
  5. Step 5: Solve for x
    x = 9,790,143.73/3,246.44
  6. Step 6: Final answer
    x = 3,015.66

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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.