Home / 2,179.89-3,269.83-1,793.58

Finding the Fourth Proportional to 2,179.89, 3,269.83 and 1,793.58

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Solution

The fourth proportional to 2,179.89, 3,269.83 and 1,793.58 is: 2,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.89 : 3,269.83 = 1,793.58 : x
  2. Step 2: Convert to fraction form
    2,179.89/3,269.83 = 1,793.58/x
  3. Step 3: Cross multiply
    2,179.89x = 3,269.83 × 1,793.58
  4. Step 4: Simplify right side
    2,179.89x = 5,864,698.00
  5. Step 5: Solve for x
    x = 5,864,698.00/2,179.89
  6. Step 6: Final answer
    x = 2,690.37

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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.