Home / 1,908.72-2,634.81-1,162.89

Finding the Fourth Proportional to 1,908.72, 2,634.81 and 1,162.89

Calculator

Solution

The fourth proportional to 1,908.72, 2,634.81 and 1,162.89 is: 1,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.72 : 2,634.81 = 1,162.89 : x
  2. Step 2: Convert to fraction form
    1,908.72/2,634.81 = 1,162.89/x
  3. Step 3: Cross multiply
    1,908.72x = 2,634.81 × 1,162.89
  4. Step 4: Simplify right side
    1,908.72x = 3,063,994.20
  5. Step 5: Solve for x
    x = 3,063,994.20/1,908.72
  6. Step 6: Final answer
    x = 1,605.26

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.