Home / 3,626.94-5,005.57-2,135.22

Finding the Fourth Proportional to 3,626.94, 5,005.57 and 2,135.22

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Solution

The fourth proportional to 3,626.94, 5,005.57 and 2,135.22 is: 2,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.94 : 5,005.57 = 2,135.22 : x
  2. Step 2: Convert to fraction form
    3,626.94/5,005.57 = 2,135.22/x
  3. Step 3: Cross multiply
    3,626.94x = 5,005.57 × 2,135.22
  4. Step 4: Simplify right side
    3,626.94x = 10,687,993.18
  5. Step 5: Solve for x
    x = 10,687,993.18/3,626.94
  6. Step 6: Final answer
    x = 2,946.83

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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.