Home / 2,147.50-2,964.09-1,216.54

Finding the Fourth Proportional to 2,147.50, 2,964.09 and 1,216.54

Calculator

Solution

The fourth proportional to 2,147.50, 2,964.09 and 1,216.54 is: 1,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.50 : 2,964.09 = 1,216.54 : x
  2. Step 2: Convert to fraction form
    2,147.50/2,964.09 = 1,216.54/x
  3. Step 3: Cross multiply
    2,147.50x = 2,964.09 × 1,216.54
  4. Step 4: Simplify right side
    2,147.50x = 3,605,934.05
  5. Step 5: Solve for x
    x = 3,605,934.05/2,147.50
  6. Step 6: Final answer
    x = 1,679.13

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.