Home / 4,112.37-6,169.46-1,919.90

Finding the Fourth Proportional to 4,112.37, 6,169.46 and 1,919.90

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Solution

The fourth proportional to 4,112.37, 6,169.46 and 1,919.90 is: 2,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.37 : 6,169.46 = 1,919.90 : x
  2. Step 2: Convert to fraction form
    4,112.37/6,169.46 = 1,919.90/x
  3. Step 3: Cross multiply
    4,112.37x = 6,169.46 × 1,919.90
  4. Step 4: Simplify right side
    4,112.37x = 11,844,705.81
  5. Step 5: Solve for x
    x = 11,844,705.81/4,112.37
  6. Step 6: Final answer
    x = 2,880.27

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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.