Home / 3,146.99-4,721.09-1,067.34

Finding the Fourth Proportional to 3,146.99, 4,721.09 and 1,067.34

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Solution

The fourth proportional to 3,146.99, 4,721.09 and 1,067.34 is: 1,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.99 : 4,721.09 = 1,067.34 : x
  2. Step 2: Convert to fraction form
    3,146.99/4,721.09 = 1,067.34/x
  3. Step 3: Cross multiply
    3,146.99x = 4,721.09 × 1,067.34
  4. Step 4: Simplify right side
    3,146.99x = 5,039,020.57
  5. Step 5: Solve for x
    x = 5,039,020.57/3,146.99
  6. Step 6: Final answer
    x = 1,601.22

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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.