Home / 1,568-2,163.84-869.52

Finding the Fourth Proportional to 1,568, 2,163.84 and 869.52

Calculator

Solution

The fourth proportional to 1,568, 2,163.84 and 869.52 is: 1,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568 : 2,163.84 = 869.52 : x
  2. Step 2: Convert to fraction form
    1,568/2,163.84 = 869.52/x
  3. Step 3: Cross multiply
    1,568x = 2,163.84 × 869.52
  4. Step 4: Simplify right side
    1,568x = 1,881,502.16
  5. Step 5: Solve for x
    x = 1,881,502.16/1,568
  6. Step 6: Final answer
    x = 1,199.94

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.