Home / 2,626.38-3,622.68-1,578.44

Finding the Fourth Proportional to 2,626.38, 3,622.68 and 1,578.44

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Solution

The fourth proportional to 2,626.38, 3,622.68 and 1,578.44 is: 2,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.38 : 3,622.68 = 1,578.44 : x
  2. Step 2: Convert to fraction form
    2,626.38/3,622.68 = 1,578.44/x
  3. Step 3: Cross multiply
    2,626.38x = 3,622.68 × 1,578.44
  4. Step 4: Simplify right side
    2,626.38x = 5,718,192.08
  5. Step 5: Solve for x
    x = 5,718,192.08/2,626.38
  6. Step 6: Final answer
    x = 2,177.21

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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.