Home / 2,417.12-3,627.12-878.24

Finding the Fourth Proportional to 2,417.12, 3,627.12 and 878.24

Calculator

Solution

The fourth proportional to 2,417.12, 3,627.12 and 878.24 is: 1,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,417.12 : 3,627.12 = 878.24 : x
  2. Step 2: Convert to fraction form
    2,417.12/3,627.12 = 878.24/x
  3. Step 3: Cross multiply
    2,417.12x = 3,627.12 × 878.24
  4. Step 4: Simplify right side
    2,417.12x = 3,185,481.87
  5. Step 5: Solve for x
    x = 3,185,481.87/2,417.12
  6. Step 6: Final answer
    x = 1,317.88

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.