Home / 2,867.35-4,310.75-2,289.73

Finding the Fourth Proportional to 2,867.35, 4,310.75 and 2,289.73

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Solution

The fourth proportional to 2,867.35, 4,310.75 and 2,289.73 is: 3,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.35 : 4,310.75 = 2,289.73 : x
  2. Step 2: Convert to fraction form
    2,867.35/4,310.75 = 2,289.73/x
  3. Step 3: Cross multiply
    2,867.35x = 4,310.75 × 2,289.73
  4. Step 4: Simplify right side
    2,867.35x = 9,870,453.60
  5. Step 5: Solve for x
    x = 9,870,453.60/2,867.35
  6. Step 6: Final answer
    x = 3,442.36

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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.