Home / 3,351.69-5,035.46-3,165.21

Finding the Fourth Proportional to 3,351.69, 5,035.46 and 3,165.21

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Solution

The fourth proportional to 3,351.69, 5,035.46 and 3,165.21 is: 4,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.69 : 5,035.46 = 3,165.21 : x
  2. Step 2: Convert to fraction form
    3,351.69/5,035.46 = 3,165.21/x
  3. Step 3: Cross multiply
    3,351.69x = 5,035.46 × 3,165.21
  4. Step 4: Simplify right side
    3,351.69x = 15,938,272.52
  5. Step 5: Solve for x
    x = 15,938,272.52/3,351.69
  6. Step 6: Final answer
    x = 4,755.29

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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.