Home / 2,065.78-3,091.74-1,448.02

Finding the Fourth Proportional to 2,065.78, 3,091.74 and 1,448.02

Calculator

Solution

The fourth proportional to 2,065.78, 3,091.74 and 1,448.02 is: 2,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.78 : 3,091.74 = 1,448.02 : x
  2. Step 2: Convert to fraction form
    2,065.78/3,091.74 = 1,448.02/x
  3. Step 3: Cross multiply
    2,065.78x = 3,091.74 × 1,448.02
  4. Step 4: Simplify right side
    2,065.78x = 4,476,901.35
  5. Step 5: Solve for x
    x = 4,476,901.35/2,065.78
  6. Step 6: Final answer
    x = 2,167.17

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.