Home / 2,709.18-3,738.56-1,530.36

Finding the Fourth Proportional to 2,709.18, 3,738.56 and 1,530.36

Calculator

Solution

The fourth proportional to 2,709.18, 3,738.56 and 1,530.36 is: 2,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.18 : 3,738.56 = 1,530.36 : x
  2. Step 2: Convert to fraction form
    2,709.18/3,738.56 = 1,530.36/x
  3. Step 3: Cross multiply
    2,709.18x = 3,738.56 × 1,530.36
  4. Step 4: Simplify right side
    2,709.18x = 5,721,335.03
  5. Step 5: Solve for x
    x = 5,721,335.03/2,709.18
  6. Step 6: Final answer
    x = 2,111.83

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.