Home / 3,108.45-4,661.43-1,353.33

Finding the Fourth Proportional to 3,108.45, 4,661.43 and 1,353.33

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Solution

The fourth proportional to 3,108.45, 4,661.43 and 1,353.33 is: 2,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.45 : 4,661.43 = 1,353.33 : x
  2. Step 2: Convert to fraction form
    3,108.45/4,661.43 = 1,353.33/x
  3. Step 3: Cross multiply
    3,108.45x = 4,661.43 × 1,353.33
  4. Step 4: Simplify right side
    3,108.45x = 6,308,453.06
  5. Step 5: Solve for x
    x = 6,308,453.06/3,108.45
  6. Step 6: Final answer
    x = 2,029.45

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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.