Home / 3,272.75-4,516.39-1,780.66

Finding the Fourth Proportional to 3,272.75, 4,516.39 and 1,780.66

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Solution

The fourth proportional to 3,272.75, 4,516.39 and 1,780.66 is: 2,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.75 : 4,516.39 = 1,780.66 : x
  2. Step 2: Convert to fraction form
    3,272.75/4,516.39 = 1,780.66/x
  3. Step 3: Cross multiply
    3,272.75x = 4,516.39 × 1,780.66
  4. Step 4: Simplify right side
    3,272.75x = 8,042,164.08
  5. Step 5: Solve for x
    x = 8,042,164.08/3,272.75
  6. Step 6: Final answer
    x = 2,457.31

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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.