Home / 1,244.21-1,866.32-513.39

Finding the Fourth Proportional to 1,244.21, 1,866.32 and 513.39

Calculator

Solution

The fourth proportional to 1,244.21, 1,866.32 and 513.39 is: 770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.21 : 1,866.32 = 513.39 : x
  2. Step 2: Convert to fraction form
    1,244.21/1,866.32 = 513.39/x
  3. Step 3: Cross multiply
    1,244.21x = 1,866.32 × 513.39
  4. Step 4: Simplify right side
    1,244.21x = 958,151.31
  5. Step 5: Solve for x
    x = 958,151.31/1,244.21
  6. Step 6: Final answer
    x = 770.09

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.