Home / 2,015.18-3,006.41-1,906.19

Finding the Fourth Proportional to 2,015.18, 3,006.41 and 1,906.19

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Solution

The fourth proportional to 2,015.18, 3,006.41 and 1,906.19 is: 2,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.18 : 3,006.41 = 1,906.19 : x
  2. Step 2: Convert to fraction form
    2,015.18/3,006.41 = 1,906.19/x
  3. Step 3: Cross multiply
    2,015.18x = 3,006.41 × 1,906.19
  4. Step 4: Simplify right side
    2,015.18x = 5,730,795.60
  5. Step 5: Solve for x
    x = 5,730,795.60/2,015.18
  6. Step 6: Final answer
    x = 2,843.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.