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Finding the Fourth Proportional to 3,626, 5,006.93 and 2,728.19

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Solution

The fourth proportional to 3,626, 5,006.93 and 2,728.19 is: 3,767.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626 : 5,006.93 = 2,728.19 : x
  2. Step 2: Convert to fraction form
    3,626/5,006.93 = 2,728.19/x
  3. Step 3: Cross multiply
    3,626x = 5,006.93 × 2,728.19
  4. Step 4: Simplify right side
    3,626x = 13,659,856.36
  5. Step 5: Solve for x
    x = 13,659,856.36/3,626
  6. Step 6: Final answer
    x = 3,767.20

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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.