Home / 2,789.54-4,183.09-1,056.95

Finding the Fourth Proportional to 2,789.54, 4,183.09 and 1,056.95

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Solution

The fourth proportional to 2,789.54, 4,183.09 and 1,056.95 is: 1,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.54 : 4,183.09 = 1,056.95 : x
  2. Step 2: Convert to fraction form
    2,789.54/4,183.09 = 1,056.95/x
  3. Step 3: Cross multiply
    2,789.54x = 4,183.09 × 1,056.95
  4. Step 4: Simplify right side
    2,789.54x = 4,421,316.98
  5. Step 5: Solve for x
    x = 4,421,316.98/2,789.54
  6. Step 6: Final answer
    x = 1,584.96

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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.