Home / 2,790.88-3,851.52-1,549.12

Finding the Fourth Proportional to 2,790.88, 3,851.52 and 1,549.12

Calculator

Solution

The fourth proportional to 2,790.88, 3,851.52 and 1,549.12 is: 2,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.88 : 3,851.52 = 1,549.12 : x
  2. Step 2: Convert to fraction form
    2,790.88/3,851.52 = 1,549.12/x
  3. Step 3: Cross multiply
    2,790.88x = 3,851.52 × 1,549.12
  4. Step 4: Simplify right side
    2,790.88x = 5,966,466.66
  5. Step 5: Solve for x
    x = 5,966,466.66/2,790.88
  6. Step 6: Final answer
    x = 2,137.84

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.