Home / 2,629.80-3,629.10-1,450.89

Finding the Fourth Proportional to 2,629.80, 3,629.10 and 1,450.89

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Solution

The fourth proportional to 2,629.80, 3,629.10 and 1,450.89 is: 2,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.80 : 3,629.10 = 1,450.89 : x
  2. Step 2: Convert to fraction form
    2,629.80/3,629.10 = 1,450.89/x
  3. Step 3: Cross multiply
    2,629.80x = 3,629.10 × 1,450.89
  4. Step 4: Simplify right side
    2,629.80x = 5,265,424.90
  5. Step 5: Solve for x
    x = 5,265,424.90/2,629.80
  6. Step 6: Final answer
    x = 2,002.21

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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.