Home / 2,540.91-3,811.32-692.00

Finding the Fourth Proportional to 2,540.91, 3,811.32 and 692.00

Calculator

Solution

The fourth proportional to 2,540.91, 3,811.32 and 692.00 is: 1,037.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.91 : 3,811.32 = 692.00 : x
  2. Step 2: Convert to fraction form
    2,540.91/3,811.32 = 692.00/x
  3. Step 3: Cross multiply
    2,540.91x = 3,811.32 × 692.00
  4. Step 4: Simplify right side
    2,540.91x = 2,637,414.38
  5. Step 5: Solve for x
    x = 2,637,414.38/2,540.91
  6. Step 6: Final answer
    x = 1,037.98

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.