Home / 2,779.96-4,169.94-1,219.63

Finding the Fourth Proportional to 2,779.96, 4,169.94 and 1,219.63

Calculator

Solution

The fourth proportional to 2,779.96, 4,169.94 and 1,219.63 is: 1,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.96 : 4,169.94 = 1,219.63 : x
  2. Step 2: Convert to fraction form
    2,779.96/4,169.94 = 1,219.63/x
  3. Step 3: Cross multiply
    2,779.96x = 4,169.94 × 1,219.63
  4. Step 4: Simplify right side
    2,779.96x = 5,085,783.92
  5. Step 5: Solve for x
    x = 5,085,783.92/2,779.96
  6. Step 6: Final answer
    x = 1,829.45

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.