Home / 1,959-2,703.74-1,131.48

Finding the Fourth Proportional to 1,959, 2,703.74 and 1,131.48

Calculator

Solution

The fourth proportional to 1,959, 2,703.74 and 1,131.48 is: 1,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959 : 2,703.74 = 1,131.48 : x
  2. Step 2: Convert to fraction form
    1,959/2,703.74 = 1,131.48/x
  3. Step 3: Cross multiply
    1,959x = 2,703.74 × 1,131.48
  4. Step 4: Simplify right side
    1,959x = 3,059,227.74
  5. Step 5: Solve for x
    x = 3,059,227.74/1,959
  6. Step 6: Final answer
    x = 1,561.63

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.