Home / 3,738.40-5,607.44-1,273.20

Finding the Fourth Proportional to 3,738.40, 5,607.44 and 1,273.20

Calculator

Solution

The fourth proportional to 3,738.40, 5,607.44 and 1,273.20 is: 1,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.40 : 5,607.44 = 1,273.20 : x
  2. Step 2: Convert to fraction form
    3,738.40/5,607.44 = 1,273.20/x
  3. Step 3: Cross multiply
    3,738.40x = 5,607.44 × 1,273.20
  4. Step 4: Simplify right side
    3,738.40x = 7,139,392.61
  5. Step 5: Solve for x
    x = 7,139,392.61/3,738.40
  6. Step 6: Final answer
    x = 1,909.75

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.