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Finding the Fourth Proportional to 2,684.82, 3,719.96 and 2,626.50

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Solution

The fourth proportional to 2,684.82, 3,719.96 and 2,626.50 is: 3,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.82 : 3,719.96 = 2,626.50 : x
  2. Step 2: Convert to fraction form
    2,684.82/3,719.96 = 2,626.50/x
  3. Step 3: Cross multiply
    2,684.82x = 3,719.96 × 2,626.50
  4. Step 4: Simplify right side
    2,684.82x = 9,770,474.94
  5. Step 5: Solve for x
    x = 9,770,474.94/2,684.82
  6. Step 6: Final answer
    x = 3,639.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.