Home / 2,611.09-3,604.19-2,080.95

Finding the Fourth Proportional to 2,611.09, 3,604.19 and 2,080.95

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Solution

The fourth proportional to 2,611.09, 3,604.19 and 2,080.95 is: 2,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.09 : 3,604.19 = 2,080.95 : x
  2. Step 2: Convert to fraction form
    2,611.09/3,604.19 = 2,080.95/x
  3. Step 3: Cross multiply
    2,611.09x = 3,604.19 × 2,080.95
  4. Step 4: Simplify right side
    2,611.09x = 7,500,139.18
  5. Step 5: Solve for x
    x = 7,500,139.18/2,611.09
  6. Step 6: Final answer
    x = 2,872.42

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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.