Home / 2,793.06-3,857.00-1,800.05

Finding the Fourth Proportional to 2,793.06, 3,857.00 and 1,800.05

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Solution

The fourth proportional to 2,793.06, 3,857.00 and 1,800.05 is: 2,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.06 : 3,857.00 = 1,800.05 : x
  2. Step 2: Convert to fraction form
    2,793.06/3,857.00 = 1,800.05/x
  3. Step 3: Cross multiply
    2,793.06x = 3,857.00 × 1,800.05
  4. Step 4: Simplify right side
    2,793.06x = 6,942,764.56
  5. Step 5: Solve for x
    x = 6,942,764.56/2,793.06
  6. Step 6: Final answer
    x = 2,485.72

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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.