Home / 2,823.10-4,226.55-1,729.60

Finding the Fourth Proportional to 2,823.10, 4,226.55 and 1,729.60

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Solution

The fourth proportional to 2,823.10, 4,226.55 and 1,729.60 is: 2,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.10 : 4,226.55 = 1,729.60 : x
  2. Step 2: Convert to fraction form
    2,823.10/4,226.55 = 1,729.60/x
  3. Step 3: Cross multiply
    2,823.10x = 4,226.55 × 1,729.60
  4. Step 4: Simplify right side
    2,823.10x = 7,310,240.88
  5. Step 5: Solve for x
    x = 7,310,240.88/2,823.10
  6. Step 6: Final answer
    x = 2,589.44

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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.