Home / 2,628.14-3,626.83-1,449.22

Finding the Fourth Proportional to 2,628.14, 3,626.83 and 1,449.22

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Solution

The fourth proportional to 2,628.14, 3,626.83 and 1,449.22 is: 1,999.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.14 : 3,626.83 = 1,449.22 : x
  2. Step 2: Convert to fraction form
    2,628.14/3,626.83 = 1,449.22/x
  3. Step 3: Cross multiply
    2,628.14x = 3,626.83 × 1,449.22
  4. Step 4: Simplify right side
    2,628.14x = 5,256,056.44
  5. Step 5: Solve for x
    x = 5,256,056.44/2,628.14
  6. Step 6: Final answer
    x = 1,999.91

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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.