Home / 1,347.60-2,021.04-481.92

Finding the Fourth Proportional to 1,347.60, 2,021.04 and 481.92

Calculator

Solution

The fourth proportional to 1,347.60, 2,021.04 and 481.92 is: 722.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.60 : 2,021.04 = 481.92 : x
  2. Step 2: Convert to fraction form
    1,347.60/2,021.04 = 481.92/x
  3. Step 3: Cross multiply
    1,347.60x = 2,021.04 × 481.92
  4. Step 4: Simplify right side
    1,347.60x = 973,979.60
  5. Step 5: Solve for x
    x = 973,979.60/1,347.60
  6. Step 6: Final answer
    x = 722.75

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.