Home / 2,231.03-3,079-1,236.40

Finding the Fourth Proportional to 2,231.03, 3,079 and 1,236.40

Calculator

Solution

The fourth proportional to 2,231.03, 3,079 and 1,236.40 is: 1,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.03 : 3,079 = 1,236.40 : x
  2. Step 2: Convert to fraction form
    2,231.03/3,079 = 1,236.40/x
  3. Step 3: Cross multiply
    2,231.03x = 3,079 × 1,236.40
  4. Step 4: Simplify right side
    2,231.03x = 3,806,875.60
  5. Step 5: Solve for x
    x = 3,806,875.60/2,231.03
  6. Step 6: Final answer
    x = 1,706.33

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.