Home / 3,272.92-4,516.68-1,780.84

Finding the Fourth Proportional to 3,272.92, 4,516.68 and 1,780.84

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Solution

The fourth proportional to 3,272.92, 4,516.68 and 1,780.84 is: 2,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.92 : 4,516.68 = 1,780.84 : x
  2. Step 2: Convert to fraction form
    3,272.92/4,516.68 = 1,780.84/x
  3. Step 3: Cross multiply
    3,272.92x = 4,516.68 × 1,780.84
  4. Step 4: Simplify right side
    3,272.92x = 8,043,479.96
  5. Step 5: Solve for x
    x = 8,043,479.96/3,272.92
  6. Step 6: Final answer
    x = 2,457.59

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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.