Home / 1,383.06-2,074.90-517.38

Finding the Fourth Proportional to 1,383.06, 2,074.90 and 517.38

Calculator

Solution

The fourth proportional to 1,383.06, 2,074.90 and 517.38 is: 776.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383.06 : 2,074.90 = 517.38 : x
  2. Step 2: Convert to fraction form
    1,383.06/2,074.90 = 517.38/x
  3. Step 3: Cross multiply
    1,383.06x = 2,074.90 × 517.38
  4. Step 4: Simplify right side
    1,383.06x = 1,073,511.76
  5. Step 5: Solve for x
    x = 1,073,511.76/1,383.06
  6. Step 6: Final answer
    x = 776.19

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.