Home / 2,912.82-4,019.73-1,653.78

Finding the Fourth Proportional to 2,912.82, 4,019.73 and 1,653.78

Calculator

Solution

The fourth proportional to 2,912.82, 4,019.73 and 1,653.78 is: 2,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.82 : 4,019.73 = 1,653.78 : x
  2. Step 2: Convert to fraction form
    2,912.82/4,019.73 = 1,653.78/x
  3. Step 3: Cross multiply
    2,912.82x = 4,019.73 × 1,653.78
  4. Step 4: Simplify right side
    2,912.82x = 6,647,749.08
  5. Step 5: Solve for x
    x = 6,647,749.08/2,912.82
  6. Step 6: Final answer
    x = 2,282.24

Related Problems

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.