Home / 3,626.78-5,441.07-1,435.22

Finding the Fourth Proportional to 3,626.78, 5,441.07 and 1,435.22

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Solution

The fourth proportional to 3,626.78, 5,441.07 and 1,435.22 is: 2,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.78 : 5,441.07 = 1,435.22 : x
  2. Step 2: Convert to fraction form
    3,626.78/5,441.07 = 1,435.22/x
  3. Step 3: Cross multiply
    3,626.78x = 5,441.07 × 1,435.22
  4. Step 4: Simplify right side
    3,626.78x = 7,809,131.07
  5. Step 5: Solve for x
    x = 7,809,131.07/3,626.78
  6. Step 6: Final answer
    x = 2,153.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.