Home / 1,994.09-2,993.85-1,266.90

Finding the Fourth Proportional to 1,994.09, 2,993.85 and 1,266.90

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Solution

The fourth proportional to 1,994.09, 2,993.85 and 1,266.90 is: 1,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.09 : 2,993.85 = 1,266.90 : x
  2. Step 2: Convert to fraction form
    1,994.09/2,993.85 = 1,266.90/x
  3. Step 3: Cross multiply
    1,994.09x = 2,993.85 × 1,266.90
  4. Step 4: Simplify right side
    1,994.09x = 3,792,908.57
  5. Step 5: Solve for x
    x = 3,792,908.57/1,994.09
  6. Step 6: Final answer
    x = 1,902.08

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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.