Home / 1,922.52-2,882.43-672.81

Finding the Fourth Proportional to 1,922.52, 2,882.43 and 672.81

Calculator

Solution

The fourth proportional to 1,922.52, 2,882.43 and 672.81 is: 1,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.52 : 2,882.43 = 672.81 : x
  2. Step 2: Convert to fraction form
    1,922.52/2,882.43 = 672.81/x
  3. Step 3: Cross multiply
    1,922.52x = 2,882.43 × 672.81
  4. Step 4: Simplify right side
    1,922.52x = 1,939,327.73
  5. Step 5: Solve for x
    x = 1,939,327.73/1,922.52
  6. Step 6: Final answer
    x = 1,008.74

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.