Home / 3,015.33-4,161.19-1,738.91

Finding the Fourth Proportional to 3,015.33, 4,161.19 and 1,738.91

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Solution

The fourth proportional to 3,015.33, 4,161.19 and 1,738.91 is: 2,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.33 : 4,161.19 = 1,738.91 : x
  2. Step 2: Convert to fraction form
    3,015.33/4,161.19 = 1,738.91/x
  3. Step 3: Cross multiply
    3,015.33x = 4,161.19 × 1,738.91
  4. Step 4: Simplify right side
    3,015.33x = 7,235,934.90
  5. Step 5: Solve for x
    x = 7,235,934.90/3,015.33
  6. Step 6: Final answer
    x = 2,399.72

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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.