Home / 1,508.69-2,081.97-949.49

Finding the Fourth Proportional to 1,508.69, 2,081.97 and 949.49

Calculator

Solution

The fourth proportional to 1,508.69, 2,081.97 and 949.49 is: 1,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.69 : 2,081.97 = 949.49 : x
  2. Step 2: Convert to fraction form
    1,508.69/2,081.97 = 949.49/x
  3. Step 3: Cross multiply
    1,508.69x = 2,081.97 × 949.49
  4. Step 4: Simplify right side
    1,508.69x = 1,976,807.09
  5. Step 5: Solve for x
    x = 1,976,807.09/1,508.69
  6. Step 6: Final answer
    x = 1,310.28

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.