Home / 1,118.25-1,677.38-348.75

Finding the Fourth Proportional to 1,118.25, 1,677.38 and 348.75

Calculator

Solution

The fourth proportional to 1,118.25, 1,677.38 and 348.75 is: 523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.25 : 1,677.38 = 348.75 : x
  2. Step 2: Convert to fraction form
    1,118.25/1,677.38 = 348.75/x
  3. Step 3: Cross multiply
    1,118.25x = 1,677.38 × 348.75
  4. Step 4: Simplify right side
    1,118.25x = 584,984.53
  5. Step 5: Solve for x
    x = 584,984.53/1,118.25
  6. Step 6: Final answer
    x = 523.13

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.