Home / 2,126.24-3,188.59-739.23

Finding the Fourth Proportional to 2,126.24, 3,188.59 and 739.23

Calculator

Solution

The fourth proportional to 2,126.24, 3,188.59 and 739.23 is: 1,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.24 : 3,188.59 = 739.23 : x
  2. Step 2: Convert to fraction form
    2,126.24/3,188.59 = 739.23/x
  3. Step 3: Cross multiply
    2,126.24x = 3,188.59 × 739.23
  4. Step 4: Simplify right side
    2,126.24x = 2,357,099.54
  5. Step 5: Solve for x
    x = 2,357,099.54/2,126.24
  6. Step 6: Final answer
    x = 1,108.58

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.