Home / 3,212.53-4,435.49-2,018.05

Finding the Fourth Proportional to 3,212.53, 4,435.49 and 2,018.05

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Solution

The fourth proportional to 3,212.53, 4,435.49 and 2,018.05 is: 2,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.53 : 4,435.49 = 2,018.05 : x
  2. Step 2: Convert to fraction form
    3,212.53/4,435.49 = 2,018.05/x
  3. Step 3: Cross multiply
    3,212.53x = 4,435.49 × 2,018.05
  4. Step 4: Simplify right side
    3,212.53x = 8,951,040.59
  5. Step 5: Solve for x
    x = 8,951,040.59/3,212.53
  6. Step 6: Final answer
    x = 2,786.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.