Home / 2,322.74-3,205.37-1,274.78

Finding the Fourth Proportional to 2,322.74, 3,205.37 and 1,274.78

Calculator

Solution

The fourth proportional to 2,322.74, 3,205.37 and 1,274.78 is: 1,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.74 : 3,205.37 = 1,274.78 : x
  2. Step 2: Convert to fraction form
    2,322.74/3,205.37 = 1,274.78/x
  3. Step 3: Cross multiply
    2,322.74x = 3,205.37 × 1,274.78
  4. Step 4: Simplify right side
    2,322.74x = 4,086,141.57
  5. Step 5: Solve for x
    x = 4,086,141.57/2,322.74
  6. Step 6: Final answer
    x = 1,759.19

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.