Home / 1,361.97-1,879.07-837.90

Finding the Fourth Proportional to 1,361.97, 1,879.07 and 837.90

Calculator

Solution

The fourth proportional to 1,361.97, 1,879.07 and 837.90 is: 1,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.97 : 1,879.07 = 837.90 : x
  2. Step 2: Convert to fraction form
    1,361.97/1,879.07 = 837.90/x
  3. Step 3: Cross multiply
    1,361.97x = 1,879.07 × 837.90
  4. Step 4: Simplify right side
    1,361.97x = 1,574,468.56
  5. Step 5: Solve for x
    x = 1,574,468.56/1,361.97
  6. Step 6: Final answer
    x = 1,156.02

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.