Home / 2,136.24-2,943.44-1,436.40

Finding the Fourth Proportional to 2,136.24, 2,943.44 and 1,436.40

Calculator

Solution

The fourth proportional to 2,136.24, 2,943.44 and 1,436.40 is: 1,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136.24 : 2,943.44 = 1,436.40 : x
  2. Step 2: Convert to fraction form
    2,136.24/2,943.44 = 1,436.40/x
  3. Step 3: Cross multiply
    2,136.24x = 2,943.44 × 1,436.40
  4. Step 4: Simplify right side
    2,136.24x = 4,227,957.22
  5. Step 5: Solve for x
    x = 4,227,957.22/2,136.24
  6. Step 6: Final answer
    x = 1,979.16

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.