Home / 2,842.50-4,260.72-1,378.44

Finding the Fourth Proportional to 2,842.50, 4,260.72 and 1,378.44

Calculator

Solution

The fourth proportional to 2,842.50, 4,260.72 and 1,378.44 is: 2,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.50 : 4,260.72 = 1,378.44 : x
  2. Step 2: Convert to fraction form
    2,842.50/4,260.72 = 1,378.44/x
  3. Step 3: Cross multiply
    2,842.50x = 4,260.72 × 1,378.44
  4. Step 4: Simplify right side
    2,842.50x = 5,873,146.88
  5. Step 5: Solve for x
    x = 5,873,146.88/2,842.50
  6. Step 6: Final answer
    x = 2,066.19

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.