Home / 1,412.14-1,948.98-822.82

Finding the Fourth Proportional to 1,412.14, 1,948.98 and 822.82

Calculator

Solution

The fourth proportional to 1,412.14, 1,948.98 and 822.82 is: 1,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412.14 : 1,948.98 = 822.82 : x
  2. Step 2: Convert to fraction form
    1,412.14/1,948.98 = 822.82/x
  3. Step 3: Cross multiply
    1,412.14x = 1,948.98 × 822.82
  4. Step 4: Simplify right side
    1,412.14x = 1,603,659.72
  5. Step 5: Solve for x
    x = 1,603,659.72/1,412.14
  6. Step 6: Final answer
    x = 1,135.62

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.