Home / 2,256.44-3,113.91-1,261.73

Finding the Fourth Proportional to 2,256.44, 3,113.91 and 1,261.73

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Solution

The fourth proportional to 2,256.44, 3,113.91 and 1,261.73 is: 1,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.44 : 3,113.91 = 1,261.73 : x
  2. Step 2: Convert to fraction form
    2,256.44/3,113.91 = 1,261.73/x
  3. Step 3: Cross multiply
    2,256.44x = 3,113.91 × 1,261.73
  4. Step 4: Simplify right side
    2,256.44x = 3,928,891.79
  5. Step 5: Solve for x
    x = 3,928,891.79/2,256.44
  6. Step 6: Final answer
    x = 1,741.19

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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.