Home / 3,147.36-4,343.38-1,969.10

Finding the Fourth Proportional to 3,147.36, 4,343.38 and 1,969.10

Calculator

Solution

The fourth proportional to 3,147.36, 4,343.38 and 1,969.10 is: 2,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.36 : 4,343.38 = 1,969.10 : x
  2. Step 2: Convert to fraction form
    3,147.36/4,343.38 = 1,969.10/x
  3. Step 3: Cross multiply
    3,147.36x = 4,343.38 × 1,969.10
  4. Step 4: Simplify right side
    3,147.36x = 8,552,549.56
  5. Step 5: Solve for x
    x = 8,552,549.56/3,147.36
  6. Step 6: Final answer
    x = 2,717.37

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.