Home / 3,490.12-5,236.22-1,268.91

Finding the Fourth Proportional to 3,490.12, 5,236.22 and 1,268.91

Calculator

Solution

The fourth proportional to 3,490.12, 5,236.22 and 1,268.91 is: 1,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.12 : 5,236.22 = 1,268.91 : x
  2. Step 2: Convert to fraction form
    3,490.12/5,236.22 = 1,268.91/x
  3. Step 3: Cross multiply
    3,490.12x = 5,236.22 × 1,268.91
  4. Step 4: Simplify right side
    3,490.12x = 6,644,285.58
  5. Step 5: Solve for x
    x = 6,644,285.58/3,490.12
  6. Step 6: Final answer
    x = 1,903.74

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.