Home / 1,483.76-2,047.64-820.64

Finding the Fourth Proportional to 1,483.76, 2,047.64 and 820.64

Calculator

Solution

The fourth proportional to 1,483.76, 2,047.64 and 820.64 is: 1,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.76 : 2,047.64 = 820.64 : x
  2. Step 2: Convert to fraction form
    1,483.76/2,047.64 = 820.64/x
  3. Step 3: Cross multiply
    1,483.76x = 2,047.64 × 820.64
  4. Step 4: Simplify right side
    1,483.76x = 1,680,375.29
  5. Step 5: Solve for x
    x = 1,680,375.29/1,483.76
  6. Step 6: Final answer
    x = 1,132.51

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.