Home / 2,191.72-3,023.22-1,363.72

Finding the Fourth Proportional to 2,191.72, 3,023.22 and 1,363.72

Calculator

Solution

The fourth proportional to 2,191.72, 3,023.22 and 1,363.72 is: 1,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.72 : 3,023.22 = 1,363.72 : x
  2. Step 2: Convert to fraction form
    2,191.72/3,023.22 = 1,363.72/x
  3. Step 3: Cross multiply
    2,191.72x = 3,023.22 × 1,363.72
  4. Step 4: Simplify right side
    2,191.72x = 4,122,825.58
  5. Step 5: Solve for x
    x = 4,122,825.58/2,191.72
  6. Step 6: Final answer
    x = 1,881.09

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.