Home / 1,969.90-2,718.56-1,119.22

Finding the Fourth Proportional to 1,969.90, 2,718.56 and 1,119.22

Calculator

Solution

The fourth proportional to 1,969.90, 2,718.56 and 1,119.22 is: 1,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969.90 : 2,718.56 = 1,119.22 : x
  2. Step 2: Convert to fraction form
    1,969.90/2,718.56 = 1,119.22/x
  3. Step 3: Cross multiply
    1,969.90x = 2,718.56 × 1,119.22
  4. Step 4: Simplify right side
    1,969.90x = 3,042,666.72
  5. Step 5: Solve for x
    x = 3,042,666.72/1,969.90
  6. Step 6: Final answer
    x = 1,544.58

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.