Home / 2,789.01-3,847.50-1,793.79

Finding the Fourth Proportional to 2,789.01, 3,847.50 and 1,793.79

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Solution

The fourth proportional to 2,789.01, 3,847.50 and 1,793.79 is: 2,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.01 : 3,847.50 = 1,793.79 : x
  2. Step 2: Convert to fraction form
    2,789.01/3,847.50 = 1,793.79/x
  3. Step 3: Cross multiply
    2,789.01x = 3,847.50 × 1,793.79
  4. Step 4: Simplify right side
    2,789.01x = 6,901,607.03
  5. Step 5: Solve for x
    x = 6,901,607.03/2,789.01
  6. Step 6: Final answer
    x = 2,474.57

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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.