Home / 2,718.41-3,747.83-1,961.55

Finding the Fourth Proportional to 2,718.41, 3,747.83 and 1,961.55

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Solution

The fourth proportional to 2,718.41, 3,747.83 and 1,961.55 is: 2,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.41 : 3,747.83 = 1,961.55 : x
  2. Step 2: Convert to fraction form
    2,718.41/3,747.83 = 1,961.55/x
  3. Step 3: Cross multiply
    2,718.41x = 3,747.83 × 1,961.55
  4. Step 4: Simplify right side
    2,718.41x = 7,351,570.21
  5. Step 5: Solve for x
    x = 7,351,570.21/2,718.41
  6. Step 6: Final answer
    x = 2,704.37

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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.