Home / 1,165.97-1,608.99-641.99

Finding the Fourth Proportional to 1,165.97, 1,608.99 and 641.99

Calculator

Solution

The fourth proportional to 1,165.97, 1,608.99 and 641.99 is: 885.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165.97 : 1,608.99 = 641.99 : x
  2. Step 2: Convert to fraction form
    1,165.97/1,608.99 = 641.99/x
  3. Step 3: Cross multiply
    1,165.97x = 1,608.99 × 641.99
  4. Step 4: Simplify right side
    1,165.97x = 1,032,955.49
  5. Step 5: Solve for x
    x = 1,032,955.49/1,165.97
  6. Step 6: Final answer
    x = 885.92

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.