Home / 2,936.20-4,404.30-1,769.80

Finding the Fourth Proportional to 2,936.20, 4,404.30 and 1,769.80

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Solution

The fourth proportional to 2,936.20, 4,404.30 and 1,769.80 is: 2,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.20 : 4,404.30 = 1,769.80 : x
  2. Step 2: Convert to fraction form
    2,936.20/4,404.30 = 1,769.80/x
  3. Step 3: Cross multiply
    2,936.20x = 4,404.30 × 1,769.80
  4. Step 4: Simplify right side
    2,936.20x = 7,794,730.14
  5. Step 5: Solve for x
    x = 7,794,730.14/2,936.20
  6. Step 6: Final answer
    x = 2,654.70

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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.