Home / 2,271.34-3,135.18-1,327.78

Finding the Fourth Proportional to 2,271.34, 3,135.18 and 1,327.78

Calculator

Solution

The fourth proportional to 2,271.34, 3,135.18 and 1,327.78 is: 1,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271.34 : 3,135.18 = 1,327.78 : x
  2. Step 2: Convert to fraction form
    2,271.34/3,135.18 = 1,327.78/x
  3. Step 3: Cross multiply
    2,271.34x = 3,135.18 × 1,327.78
  4. Step 4: Simplify right side
    2,271.34x = 4,162,829.30
  5. Step 5: Solve for x
    x = 4,162,829.30/2,271.34
  6. Step 6: Final answer
    x = 1,832.76

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.