Home / 1,450.08-2,176.20-1,162.80

Finding the Fourth Proportional to 1,450.08, 2,176.20 and 1,162.80

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Solution

The fourth proportional to 1,450.08, 2,176.20 and 1,162.80 is: 1,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.08 : 2,176.20 = 1,162.80 : x
  2. Step 2: Convert to fraction form
    1,450.08/2,176.20 = 1,162.80/x
  3. Step 3: Cross multiply
    1,450.08x = 2,176.20 × 1,162.80
  4. Step 4: Simplify right side
    1,450.08x = 2,530,485.36
  5. Step 5: Solve for x
    x = 2,530,485.36/1,450.08
  6. Step 6: Final answer
    x = 1,745.07

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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.