Home / 1,282.05-1,769.46-758.34

Finding the Fourth Proportional to 1,282.05, 1,769.46 and 758.34

Calculator

Solution

The fourth proportional to 1,282.05, 1,769.46 and 758.34 is: 1,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.05 : 1,769.46 = 758.34 : x
  2. Step 2: Convert to fraction form
    1,282.05/1,769.46 = 758.34/x
  3. Step 3: Cross multiply
    1,282.05x = 1,769.46 × 758.34
  4. Step 4: Simplify right side
    1,282.05x = 1,341,852.30
  5. Step 5: Solve for x
    x = 1,341,852.30/1,282.05
  6. Step 6: Final answer
    x = 1,046.65

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.