Home / 1,329.86-1,835.25-740.42

Finding the Fourth Proportional to 1,329.86, 1,835.25 and 740.42

Calculator

Solution

The fourth proportional to 1,329.86, 1,835.25 and 740.42 is: 1,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329.86 : 1,835.25 = 740.42 : x
  2. Step 2: Convert to fraction form
    1,329.86/1,835.25 = 740.42/x
  3. Step 3: Cross multiply
    1,329.86x = 1,835.25 × 740.42
  4. Step 4: Simplify right side
    1,329.86x = 1,358,855.81
  5. Step 5: Solve for x
    x = 1,358,855.81/1,329.86
  6. Step 6: Final answer
    x = 1,021.80

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.