Home / 1,976.69-2,965.50-1,100.07

Finding the Fourth Proportional to 1,976.69, 2,965.50 and 1,100.07

Calculator

Solution

The fourth proportional to 1,976.69, 2,965.50 and 1,100.07 is: 1,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.69 : 2,965.50 = 1,100.07 : x
  2. Step 2: Convert to fraction form
    1,976.69/2,965.50 = 1,100.07/x
  3. Step 3: Cross multiply
    1,976.69x = 2,965.50 × 1,100.07
  4. Step 4: Simplify right side
    1,976.69x = 3,262,257.59
  5. Step 5: Solve for x
    x = 3,262,257.59/1,976.69
  6. Step 6: Final answer
    x = 1,650.37

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.