Home / 2,741.44-3,783.79-1,891.88

Finding the Fourth Proportional to 2,741.44, 3,783.79 and 1,891.88

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Solution

The fourth proportional to 2,741.44, 3,783.79 and 1,891.88 is: 2,611.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.44 : 3,783.79 = 1,891.88 : x
  2. Step 2: Convert to fraction form
    2,741.44/3,783.79 = 1,891.88/x
  3. Step 3: Cross multiply
    2,741.44x = 3,783.79 × 1,891.88
  4. Step 4: Simplify right side
    2,741.44x = 7,158,488.45
  5. Step 5: Solve for x
    x = 7,158,488.45/2,741.44
  6. Step 6: Final answer
    x = 2,611.22

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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.