Home / 1,348.30-1,860.68-758.82

Finding the Fourth Proportional to 1,348.30, 1,860.68 and 758.82

Calculator

Solution

The fourth proportional to 1,348.30, 1,860.68 and 758.82 is: 1,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.30 : 1,860.68 = 758.82 : x
  2. Step 2: Convert to fraction form
    1,348.30/1,860.68 = 758.82/x
  3. Step 3: Cross multiply
    1,348.30x = 1,860.68 × 758.82
  4. Step 4: Simplify right side
    1,348.30x = 1,411,921.20
  5. Step 5: Solve for x
    x = 1,411,921.20/1,348.30
  6. Step 6: Final answer
    x = 1,047.19

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.