Home / 2,629.12-3,628.20-1,450.19

Finding the Fourth Proportional to 2,629.12, 3,628.20 and 1,450.19

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Solution

The fourth proportional to 2,629.12, 3,628.20 and 1,450.19 is: 2,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.12 : 3,628.20 = 1,450.19 : x
  2. Step 2: Convert to fraction form
    2,629.12/3,628.20 = 1,450.19/x
  3. Step 3: Cross multiply
    2,629.12x = 3,628.20 × 1,450.19
  4. Step 4: Simplify right side
    2,629.12x = 5,261,579.36
  5. Step 5: Solve for x
    x = 5,261,579.36/2,629.12
  6. Step 6: Final answer
    x = 2,001.27

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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.