Home / 2,004.15-2,765.58-1,119.78

Finding the Fourth Proportional to 2,004.15, 2,765.58 and 1,119.78

Calculator

Solution

The fourth proportional to 2,004.15, 2,765.58 and 1,119.78 is: 1,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.15 : 2,765.58 = 1,119.78 : x
  2. Step 2: Convert to fraction form
    2,004.15/2,765.58 = 1,119.78/x
  3. Step 3: Cross multiply
    2,004.15x = 2,765.58 × 1,119.78
  4. Step 4: Simplify right side
    2,004.15x = 3,096,841.17
  5. Step 5: Solve for x
    x = 3,096,841.17/2,004.15
  6. Step 6: Final answer
    x = 1,545.21

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.