Home / 3,119.20-4,673.94-2,629.96

Finding the Fourth Proportional to 3,119.20, 4,673.94 and 2,629.96

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Solution

The fourth proportional to 3,119.20, 4,673.94 and 2,629.96 is: 3,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.20 : 4,673.94 = 2,629.96 : x
  2. Step 2: Convert to fraction form
    3,119.20/4,673.94 = 2,629.96/x
  3. Step 3: Cross multiply
    3,119.20x = 4,673.94 × 2,629.96
  4. Step 4: Simplify right side
    3,119.20x = 12,292,275.24
  5. Step 5: Solve for x
    x = 12,292,275.24/3,119.20
  6. Step 6: Final answer
    x = 3,940.84

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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.