Home / 1,688.09-2,329-941.91

Finding the Fourth Proportional to 1,688.09, 2,329 and 941.91

Calculator

Solution

The fourth proportional to 1,688.09, 2,329 and 941.91 is: 1,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688.09 : 2,329 = 941.91 : x
  2. Step 2: Convert to fraction form
    1,688.09/2,329 = 941.91/x
  3. Step 3: Cross multiply
    1,688.09x = 2,329 × 941.91
  4. Step 4: Simplify right side
    1,688.09x = 2,193,708.39
  5. Step 5: Solve for x
    x = 2,193,708.39/1,688.09
  6. Step 6: Final answer
    x = 1,299.52

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.