Home / 3,123.51-4,310.91-1,797.12

Finding the Fourth Proportional to 3,123.51, 4,310.91 and 1,797.12

Calculator

Solution

The fourth proportional to 3,123.51, 4,310.91 and 1,797.12 is: 2,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.51 : 4,310.91 = 1,797.12 : x
  2. Step 2: Convert to fraction form
    3,123.51/4,310.91 = 1,797.12/x
  3. Step 3: Cross multiply
    3,123.51x = 4,310.91 × 1,797.12
  4. Step 4: Simplify right side
    3,123.51x = 7,747,222.58
  5. Step 5: Solve for x
    x = 7,747,222.58/3,123.51
  6. Step 6: Final answer
    x = 2,480.30

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.