Home / 2,852.82-4,279.23-1,005.21

Finding the Fourth Proportional to 2,852.82, 4,279.23 and 1,005.21

Calculator

Solution

The fourth proportional to 2,852.82, 4,279.23 and 1,005.21 is: 1,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.82 : 4,279.23 = 1,005.21 : x
  2. Step 2: Convert to fraction form
    2,852.82/4,279.23 = 1,005.21/x
  3. Step 3: Cross multiply
    2,852.82x = 4,279.23 × 1,005.21
  4. Step 4: Simplify right side
    2,852.82x = 4,301,524.79
  5. Step 5: Solve for x
    x = 4,301,524.79/2,852.82
  6. Step 6: Final answer
    x = 1,507.82

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.