Home / 2,097.72-2,894.40-1,401.12

Finding the Fourth Proportional to 2,097.72, 2,894.40 and 1,401.12

Calculator

Solution

The fourth proportional to 2,097.72, 2,894.40 and 1,401.12 is: 1,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.72 : 2,894.40 = 1,401.12 : x
  2. Step 2: Convert to fraction form
    2,097.72/2,894.40 = 1,401.12/x
  3. Step 3: Cross multiply
    2,097.72x = 2,894.40 × 1,401.12
  4. Step 4: Simplify right side
    2,097.72x = 4,055,401.73
  5. Step 5: Solve for x
    x = 4,055,401.73/2,097.72
  6. Step 6: Final answer
    x = 1,933.24

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.