Home / 3,347.15-5,019.56-1,372.21

Finding the Fourth Proportional to 3,347.15, 5,019.56 and 1,372.21

Calculator

Solution

The fourth proportional to 3,347.15, 5,019.56 and 1,372.21 is: 2,057.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.15 : 5,019.56 = 1,372.21 : x
  2. Step 2: Convert to fraction form
    3,347.15/5,019.56 = 1,372.21/x
  3. Step 3: Cross multiply
    3,347.15x = 5,019.56 × 1,372.21
  4. Step 4: Simplify right side
    3,347.15x = 6,887,902.98
  5. Step 5: Solve for x
    x = 6,887,902.98/3,347.15
  6. Step 6: Final answer
    x = 2,057.84

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.