Home / 2,779.88-3,836.20-1,520.94

Finding the Fourth Proportional to 2,779.88, 3,836.20 and 1,520.94

Calculator

Solution

The fourth proportional to 2,779.88, 3,836.20 and 1,520.94 is: 2,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.88 : 3,836.20 = 1,520.94 : x
  2. Step 2: Convert to fraction form
    2,779.88/3,836.20 = 1,520.94/x
  3. Step 3: Cross multiply
    2,779.88x = 3,836.20 × 1,520.94
  4. Step 4: Simplify right side
    2,779.88x = 5,834,630.03
  5. Step 5: Solve for x
    x = 5,834,630.03/2,779.88
  6. Step 6: Final answer
    x = 2,098.88

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.