Home / 1,601.37-2,400.03-779.90

Finding the Fourth Proportional to 1,601.37, 2,400.03 and 779.90

Calculator

Solution

The fourth proportional to 1,601.37, 2,400.03 and 779.90 is: 1,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.37 : 2,400.03 = 779.90 : x
  2. Step 2: Convert to fraction form
    1,601.37/2,400.03 = 779.90/x
  3. Step 3: Cross multiply
    1,601.37x = 2,400.03 × 779.90
  4. Step 4: Simplify right side
    1,601.37x = 1,871,771.40
  5. Step 5: Solve for x
    x = 1,871,771.40/1,601.37
  6. Step 6: Final answer
    x = 1,168.86

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.