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Finding the Fourth Proportional to 2,706.97, 3,734.97 and 1,867.41

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Solution

The fourth proportional to 2,706.97, 3,734.97 and 1,867.41 is: 2,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.97 : 3,734.97 = 1,867.41 : x
  2. Step 2: Convert to fraction form
    2,706.97/3,734.97 = 1,867.41/x
  3. Step 3: Cross multiply
    2,706.97x = 3,734.97 × 1,867.41
  4. Step 4: Simplify right side
    2,706.97x = 6,974,701.65
  5. Step 5: Solve for x
    x = 6,974,701.65/2,706.97
  6. Step 6: Final answer
    x = 2,576.57

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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.