Home / 672.69-928.38-377.94

Finding the Fourth Proportional to 672.69, 928.38 and 377.94

Calculator

Solution

The fourth proportional to 672.69, 928.38 and 377.94 is: 521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.69 : 928.38 = 377.94 : x
  2. Step 2: Convert to fraction form
    672.69/928.38 = 377.94/x
  3. Step 3: Cross multiply
    672.69x = 928.38 × 377.94
  4. Step 4: Simplify right side
    672.69x = 350,871.94
  5. Step 5: Solve for x
    x = 350,871.94/672.69
  6. Step 6: Final answer
    x = 521.60

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.