Home / 3,433.75-5,150.38-1,791.22

Finding the Fourth Proportional to 3,433.75, 5,150.38 and 1,791.22

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Solution

The fourth proportional to 3,433.75, 5,150.38 and 1,791.22 is: 2,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.75 : 5,150.38 = 1,791.22 : x
  2. Step 2: Convert to fraction form
    3,433.75/5,150.38 = 1,791.22/x
  3. Step 3: Cross multiply
    3,433.75x = 5,150.38 × 1,791.22
  4. Step 4: Simplify right side
    3,433.75x = 9,225,463.66
  5. Step 5: Solve for x
    x = 9,225,463.66/3,433.75
  6. Step 6: Final answer
    x = 2,686.70

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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.