Home / 1,549.23-2,321.87-725.68

Finding the Fourth Proportional to 1,549.23, 2,321.87 and 725.68

Calculator

Solution

The fourth proportional to 1,549.23, 2,321.87 and 725.68 is: 1,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.23 : 2,321.87 = 725.68 : x
  2. Step 2: Convert to fraction form
    1,549.23/2,321.87 = 725.68/x
  3. Step 3: Cross multiply
    1,549.23x = 2,321.87 × 725.68
  4. Step 4: Simplify right side
    1,549.23x = 1,684,940.43
  5. Step 5: Solve for x
    x = 1,684,940.43/1,549.23
  6. Step 6: Final answer
    x = 1,087.60

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.