Home / 2,789.64-3,848.45-1,794.56

Finding the Fourth Proportional to 2,789.64, 3,848.45 and 1,794.56

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Solution

The fourth proportional to 2,789.64, 3,848.45 and 1,794.56 is: 2,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.64 : 3,848.45 = 1,794.56 : x
  2. Step 2: Convert to fraction form
    2,789.64/3,848.45 = 1,794.56/x
  3. Step 3: Cross multiply
    2,789.64x = 3,848.45 × 1,794.56
  4. Step 4: Simplify right side
    2,789.64x = 6,906,246.22
  5. Step 5: Solve for x
    x = 6,906,246.22/2,789.64
  6. Step 6: Final answer
    x = 2,475.68

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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.