Home / 3,105.30-4,655.79-1,156.98

Finding the Fourth Proportional to 3,105.30, 4,655.79 and 1,156.98

Calculator

Solution

The fourth proportional to 3,105.30, 4,655.79 and 1,156.98 is: 1,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.30 : 4,655.79 = 1,156.98 : x
  2. Step 2: Convert to fraction form
    3,105.30/4,655.79 = 1,156.98/x
  3. Step 3: Cross multiply
    3,105.30x = 4,655.79 × 1,156.98
  4. Step 4: Simplify right side
    3,105.30x = 5,386,655.91
  5. Step 5: Solve for x
    x = 5,386,655.91/3,105.30
  6. Step 6: Final answer
    x = 1,734.67

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.