Home / 2,790.03-3,850.29-1,611.15

Finding the Fourth Proportional to 2,790.03, 3,850.29 and 1,611.15

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Solution

The fourth proportional to 2,790.03, 3,850.29 and 1,611.15 is: 2,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.03 : 3,850.29 = 1,611.15 : x
  2. Step 2: Convert to fraction form
    2,790.03/3,850.29 = 1,611.15/x
  3. Step 3: Cross multiply
    2,790.03x = 3,850.29 × 1,611.15
  4. Step 4: Simplify right side
    2,790.03x = 6,203,394.73
  5. Step 5: Solve for x
    x = 6,203,394.73/2,790.03
  6. Step 6: Final answer
    x = 2,223.42

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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.