Home / 2,788.94-4,183.78-1,472.75

Finding the Fourth Proportional to 2,788.94, 4,183.78 and 1,472.75

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Solution

The fourth proportional to 2,788.94, 4,183.78 and 1,472.75 is: 2,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.94 : 4,183.78 = 1,472.75 : x
  2. Step 2: Convert to fraction form
    2,788.94/4,183.78 = 1,472.75/x
  3. Step 3: Cross multiply
    2,788.94x = 4,183.78 × 1,472.75
  4. Step 4: Simplify right side
    2,788.94x = 6,161,635.67
  5. Step 5: Solve for x
    x = 6,161,635.67/2,788.94
  6. Step 6: Final answer
    x = 2,209.31

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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.