Home / 2,867.76-4,302-919.44

Finding the Fourth Proportional to 2,867.76, 4,302 and 919.44

Calculator

Solution

The fourth proportional to 2,867.76, 4,302 and 919.44 is: 1,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.76 : 4,302 = 919.44 : x
  2. Step 2: Convert to fraction form
    2,867.76/4,302 = 919.44/x
  3. Step 3: Cross multiply
    2,867.76x = 4,302 × 919.44
  4. Step 4: Simplify right side
    2,867.76x = 3,955,430.88
  5. Step 5: Solve for x
    x = 3,955,430.88/2,867.76
  6. Step 6: Final answer
    x = 1,379.28

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.