Home / 2,629.86-3,629.20-1,450.92

Finding the Fourth Proportional to 2,629.86, 3,629.20 and 1,450.92

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Solution

The fourth proportional to 2,629.86, 3,629.20 and 1,450.92 is: 2,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.86 : 3,629.20 = 1,450.92 : x
  2. Step 2: Convert to fraction form
    2,629.86/3,629.20 = 1,450.92/x
  3. Step 3: Cross multiply
    2,629.86x = 3,629.20 × 1,450.92
  4. Step 4: Simplify right side
    2,629.86x = 5,265,688.85
  5. Step 5: Solve for x
    x = 5,265,688.85/2,629.86
  6. Step 6: Final answer
    x = 2,002.27

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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.