Home / 1,900.00-2,621.75-1,103.20

Finding the Fourth Proportional to 1,900.00, 2,621.75 and 1,103.20

Calculator

Solution

The fourth proportional to 1,900.00, 2,621.75 and 1,103.20 is: 1,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.00 : 2,621.75 = 1,103.20 : x
  2. Step 2: Convert to fraction form
    1,900.00/2,621.75 = 1,103.20/x
  3. Step 3: Cross multiply
    1,900.00x = 2,621.75 × 1,103.20
  4. Step 4: Simplify right side
    1,900.00x = 2,892,295.98
  5. Step 5: Solve for x
    x = 2,892,295.98/1,900.00
  6. Step 6: Final answer
    x = 1,522.27

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.