Home / 1,790.34-2,469.57-1,118.52

Finding the Fourth Proportional to 1,790.34, 2,469.57 and 1,118.52

Calculator

Solution

The fourth proportional to 1,790.34, 2,469.57 and 1,118.52 is: 1,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.34 : 2,469.57 = 1,118.52 : x
  2. Step 2: Convert to fraction form
    1,790.34/2,469.57 = 1,118.52/x
  3. Step 3: Cross multiply
    1,790.34x = 2,469.57 × 1,118.52
  4. Step 4: Simplify right side
    1,790.34x = 2,762,263.44
  5. Step 5: Solve for x
    x = 2,762,263.44/1,790.34
  6. Step 6: Final answer
    x = 1,542.87

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.