Home / 2,795.72-3,858.11-1,536.80

Finding the Fourth Proportional to 2,795.72, 3,858.11 and 1,536.80

Calculator

Solution

The fourth proportional to 2,795.72, 3,858.11 and 1,536.80 is: 2,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.72 : 3,858.11 = 1,536.80 : x
  2. Step 2: Convert to fraction form
    2,795.72/3,858.11 = 1,536.80/x
  3. Step 3: Cross multiply
    2,795.72x = 3,858.11 × 1,536.80
  4. Step 4: Simplify right side
    2,795.72x = 5,929,116.47
  5. Step 5: Solve for x
    x = 5,929,116.47/2,795.72
  6. Step 6: Final answer
    x = 2,120.79

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.