Home / 2,715.45-3,747.30-1,536.48

Finding the Fourth Proportional to 2,715.45, 3,747.30 and 1,536.48

Calculator

Solution

The fourth proportional to 2,715.45, 3,747.30 and 1,536.48 is: 2,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.45 : 3,747.30 = 1,536.48 : x
  2. Step 2: Convert to fraction form
    2,715.45/3,747.30 = 1,536.48/x
  3. Step 3: Cross multiply
    2,715.45x = 3,747.30 × 1,536.48
  4. Step 4: Simplify right side
    2,715.45x = 5,757,651.50
  5. Step 5: Solve for x
    x = 5,757,651.50/2,715.45
  6. Step 6: Final answer
    x = 2,120.33

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.