Home / 1,922.56-2,653.05-1,177.78

Finding the Fourth Proportional to 1,922.56, 2,653.05 and 1,177.78

Calculator

Solution

The fourth proportional to 1,922.56, 2,653.05 and 1,177.78 is: 1,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.56 : 2,653.05 = 1,177.78 : x
  2. Step 2: Convert to fraction form
    1,922.56/2,653.05 = 1,177.78/x
  3. Step 3: Cross multiply
    1,922.56x = 2,653.05 × 1,177.78
  4. Step 4: Simplify right side
    1,922.56x = 3,124,709.23
  5. Step 5: Solve for x
    x = 3,124,709.23/1,922.56
  6. Step 6: Final answer
    x = 1,625.29

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.