Home / 1,450.37-2,176.99-1,129.25

Finding the Fourth Proportional to 1,450.37, 2,176.99 and 1,129.25

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Solution

The fourth proportional to 1,450.37, 2,176.99 and 1,129.25 is: 1,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.37 : 2,176.99 = 1,129.25 : x
  2. Step 2: Convert to fraction form
    1,450.37/2,176.99 = 1,129.25/x
  3. Step 3: Cross multiply
    1,450.37x = 2,176.99 × 1,129.25
  4. Step 4: Simplify right side
    1,450.37x = 2,458,352.25
  5. Step 5: Solve for x
    x = 2,458,352.25/1,450.37
  6. Step 6: Final answer
    x = 1,694.99

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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.