Home / 3,216.57-4,439.62-2,684.86

Finding the Fourth Proportional to 3,216.57, 4,439.62 and 2,684.86

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Solution

The fourth proportional to 3,216.57, 4,439.62 and 2,684.86 is: 3,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.57 : 4,439.62 = 2,684.86 : x
  2. Step 2: Convert to fraction form
    3,216.57/4,439.62 = 2,684.86/x
  3. Step 3: Cross multiply
    3,216.57x = 4,439.62 × 2,684.86
  4. Step 4: Simplify right side
    3,216.57x = 11,919,758.15
  5. Step 5: Solve for x
    x = 11,919,758.15/3,216.57
  6. Step 6: Final answer
    x = 3,705.74

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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.