Home / 1,975.91-2,726.39-1,136.30

Finding the Fourth Proportional to 1,975.91, 2,726.39 and 1,136.30

Calculator

Solution

The fourth proportional to 1,975.91, 2,726.39 and 1,136.30 is: 1,567.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.91 : 2,726.39 = 1,136.30 : x
  2. Step 2: Convert to fraction form
    1,975.91/2,726.39 = 1,136.30/x
  3. Step 3: Cross multiply
    1,975.91x = 2,726.39 × 1,136.30
  4. Step 4: Simplify right side
    1,975.91x = 3,097,977.64
  5. Step 5: Solve for x
    x = 3,097,977.64/1,975.91
  6. Step 6: Final answer
    x = 1,567.88

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.