Home / 3,717.05-5,129.24-2,123.91

Finding the Fourth Proportional to 3,717.05, 5,129.24 and 2,123.91

Calculator

Solution

The fourth proportional to 3,717.05, 5,129.24 and 2,123.91 is: 2,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.05 : 5,129.24 = 2,123.91 : x
  2. Step 2: Convert to fraction form
    3,717.05/5,129.24 = 2,123.91/x
  3. Step 3: Cross multiply
    3,717.05x = 5,129.24 × 2,123.91
  4. Step 4: Simplify right side
    3,717.05x = 10,894,033.51
  5. Step 5: Solve for x
    x = 10,894,033.51/3,717.05
  6. Step 6: Final answer
    x = 2,930.83

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.