Home / 2,231.27-3,079.27-1,435.06

Finding the Fourth Proportional to 2,231.27, 3,079.27 and 1,435.06

Calculator

Solution

The fourth proportional to 2,231.27, 3,079.27 and 1,435.06 is: 1,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.27 : 3,079.27 = 1,435.06 : x
  2. Step 2: Convert to fraction form
    2,231.27/3,079.27 = 1,435.06/x
  3. Step 3: Cross multiply
    2,231.27x = 3,079.27 × 1,435.06
  4. Step 4: Simplify right side
    2,231.27x = 4,418,937.21
  5. Step 5: Solve for x
    x = 4,418,937.21/2,231.27
  6. Step 6: Final answer
    x = 1,980.46

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.