Home / 1,251.83-1,876.61-635.21

Finding the Fourth Proportional to 1,251.83, 1,876.61 and 635.21

Calculator

Solution

The fourth proportional to 1,251.83, 1,876.61 and 635.21 is: 952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.83 : 1,876.61 = 635.21 : x
  2. Step 2: Convert to fraction form
    1,251.83/1,876.61 = 635.21/x
  3. Step 3: Cross multiply
    1,251.83x = 1,876.61 × 635.21
  4. Step 4: Simplify right side
    1,251.83x = 1,192,028.88
  5. Step 5: Solve for x
    x = 1,192,028.88/1,251.83
  6. Step 6: Final answer
    x = 952.23

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.