Home / 3,139.30-4,699.72-2,321.25

Finding the Fourth Proportional to 3,139.30, 4,699.72 and 2,321.25

Calculator

Solution

The fourth proportional to 3,139.30, 4,699.72 and 2,321.25 is: 3,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.30 : 4,699.72 = 2,321.25 : x
  2. Step 2: Convert to fraction form
    3,139.30/4,699.72 = 2,321.25/x
  3. Step 3: Cross multiply
    3,139.30x = 4,699.72 × 2,321.25
  4. Step 4: Simplify right side
    3,139.30x = 10,909,225.05
  5. Step 5: Solve for x
    x = 10,909,225.05/3,139.30
  6. Step 6: Final answer
    x = 3,475.05

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.