Home / 2,170.40-2,995.11-1,175.67

Finding the Fourth Proportional to 2,170.40, 2,995.11 and 1,175.67

Calculator

Solution

The fourth proportional to 2,170.40, 2,995.11 and 1,175.67 is: 1,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.40 : 2,995.11 = 1,175.67 : x
  2. Step 2: Convert to fraction form
    2,170.40/2,995.11 = 1,175.67/x
  3. Step 3: Cross multiply
    2,170.40x = 2,995.11 × 1,175.67
  4. Step 4: Simplify right side
    2,170.40x = 3,521,260.97
  5. Step 5: Solve for x
    x = 3,521,260.97/2,170.40
  6. Step 6: Final answer
    x = 1,622.40

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.