Home / 2,135.10-3,202.65-1,268.94

Finding the Fourth Proportional to 2,135.10, 3,202.65 and 1,268.94

Calculator

Solution

The fourth proportional to 2,135.10, 3,202.65 and 1,268.94 is: 1,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.10 : 3,202.65 = 1,268.94 : x
  2. Step 2: Convert to fraction form
    2,135.10/3,202.65 = 1,268.94/x
  3. Step 3: Cross multiply
    2,135.10x = 3,202.65 × 1,268.94
  4. Step 4: Simplify right side
    2,135.10x = 4,063,970.69
  5. Step 5: Solve for x
    x = 4,063,970.69/2,135.10
  6. Step 6: Final answer
    x = 1,903.41

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.