Home / 3,176.38-4,761.69-1,805.50

Finding the Fourth Proportional to 3,176.38, 4,761.69 and 1,805.50

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Solution

The fourth proportional to 3,176.38, 4,761.69 and 1,805.50 is: 2,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.38 : 4,761.69 = 1,805.50 : x
  2. Step 2: Convert to fraction form
    3,176.38/4,761.69 = 1,805.50/x
  3. Step 3: Cross multiply
    3,176.38x = 4,761.69 × 1,805.50
  4. Step 4: Simplify right side
    3,176.38x = 8,597,231.30
  5. Step 5: Solve for x
    x = 8,597,231.30/3,176.38
  6. Step 6: Final answer
    x = 2,706.61

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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.