Home / 2,316.46-3,195.90-1,321.02

Finding the Fourth Proportional to 2,316.46, 3,195.90 and 1,321.02

Calculator

Solution

The fourth proportional to 2,316.46, 3,195.90 and 1,321.02 is: 1,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.46 : 3,195.90 = 1,321.02 : x
  2. Step 2: Convert to fraction form
    2,316.46/3,195.90 = 1,321.02/x
  3. Step 3: Cross multiply
    2,316.46x = 3,195.90 × 1,321.02
  4. Step 4: Simplify right side
    2,316.46x = 4,221,847.82
  5. Step 5: Solve for x
    x = 4,221,847.82/2,316.46
  6. Step 6: Final answer
    x = 1,822.54

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.