Home / 1,168.21-1,741.49-1,080.73

Finding the Fourth Proportional to 1,168.21, 1,741.49 and 1,080.73

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Solution

The fourth proportional to 1,168.21, 1,741.49 and 1,080.73 is: 1,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.21 : 1,741.49 = 1,080.73 : x
  2. Step 2: Convert to fraction form
    1,168.21/1,741.49 = 1,080.73/x
  3. Step 3: Cross multiply
    1,168.21x = 1,741.49 × 1,080.73
  4. Step 4: Simplify right side
    1,168.21x = 1,882,080.49
  5. Step 5: Solve for x
    x = 1,882,080.49/1,168.21
  6. Step 6: Final answer
    x = 1,611.08

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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.