Home / 1,450.92-2,163.51-1,278.24

Finding the Fourth Proportional to 1,450.92, 2,163.51 and 1,278.24

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Solution

The fourth proportional to 1,450.92, 2,163.51 and 1,278.24 is: 1,906.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.92 : 2,163.51 = 1,278.24 : x
  2. Step 2: Convert to fraction form
    1,450.92/2,163.51 = 1,278.24/x
  3. Step 3: Cross multiply
    1,450.92x = 2,163.51 × 1,278.24
  4. Step 4: Simplify right side
    1,450.92x = 2,765,485.02
  5. Step 5: Solve for x
    x = 2,765,485.02/1,450.92
  6. Step 6: Final answer
    x = 1,906.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.