Home / 2,794.61-4,183.05-1,855.69

Finding the Fourth Proportional to 2,794.61, 4,183.05 and 1,855.69

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Solution

The fourth proportional to 2,794.61, 4,183.05 and 1,855.69 is: 2,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.61 : 4,183.05 = 1,855.69 : x
  2. Step 2: Convert to fraction form
    2,794.61/4,183.05 = 1,855.69/x
  3. Step 3: Cross multiply
    2,794.61x = 4,183.05 × 1,855.69
  4. Step 4: Simplify right side
    2,794.61x = 7,762,453.65
  5. Step 5: Solve for x
    x = 7,762,453.65/2,794.61
  6. Step 6: Final answer
    x = 2,777.65

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1.5x scale

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.