Home / 3,344.40-5,018.42-2,112.39

Finding the Fourth Proportional to 3,344.40, 5,018.42 and 2,112.39

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Solution

The fourth proportional to 3,344.40, 5,018.42 and 2,112.39 is: 3,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344.40 : 5,018.42 = 2,112.39 : x
  2. Step 2: Convert to fraction form
    3,344.40/5,018.42 = 2,112.39/x
  3. Step 3: Cross multiply
    3,344.40x = 5,018.42 × 2,112.39
  4. Step 4: Simplify right side
    3,344.40x = 10,600,865.50
  5. Step 5: Solve for x
    x = 10,600,865.50/3,344.40
  6. Step 6: Final answer
    x = 3,169.74

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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.