Home / 2,579.40-3,559.58-1,400.48

Finding the Fourth Proportional to 2,579.40, 3,559.58 and 1,400.48

Calculator

Solution

The fourth proportional to 2,579.40, 3,559.58 and 1,400.48 is: 1,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.40 : 3,559.58 = 1,400.48 : x
  2. Step 2: Convert to fraction form
    2,579.40/3,559.58 = 1,400.48/x
  3. Step 3: Cross multiply
    2,579.40x = 3,559.58 × 1,400.48
  4. Step 4: Simplify right side
    2,579.40x = 4,985,120.60
  5. Step 5: Solve for x
    x = 4,985,120.60/2,579.40
  6. Step 6: Final answer
    x = 1,932.67

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.