Home / 2,789.47-4,189.26-2,723.86

Finding the Fourth Proportional to 2,789.47, 4,189.26 and 2,723.86

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Solution

The fourth proportional to 2,789.47, 4,189.26 and 2,723.86 is: 4,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.47 : 4,189.26 = 2,723.86 : x
  2. Step 2: Convert to fraction form
    2,789.47/4,189.26 = 2,723.86/x
  3. Step 3: Cross multiply
    2,789.47x = 4,189.26 × 2,723.86
  4. Step 4: Simplify right side
    2,789.47x = 11,410,957.74
  5. Step 5: Solve for x
    x = 11,410,957.74/2,789.47
  6. Step 6: Final answer
    x = 4,090.73

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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.