Home / 2,505.86-3,758.61-1,119.32

Finding the Fourth Proportional to 2,505.86, 3,758.61 and 1,119.32

Calculator

Solution

The fourth proportional to 2,505.86, 3,758.61 and 1,119.32 is: 1,678.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.86 : 3,758.61 = 1,119.32 : x
  2. Step 2: Convert to fraction form
    2,505.86/3,758.61 = 1,119.32/x
  3. Step 3: Cross multiply
    2,505.86x = 3,758.61 × 1,119.32
  4. Step 4: Simplify right side
    2,505.86x = 4,207,087.35
  5. Step 5: Solve for x
    x = 4,207,087.35/2,505.86
  6. Step 6: Final answer
    x = 1,678.90

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.