Home / 1,411.62-1,947.92-822.03

Finding the Fourth Proportional to 1,411.62, 1,947.92 and 822.03

Calculator

Solution

The fourth proportional to 1,411.62, 1,947.92 and 822.03 is: 1,134.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.62 : 1,947.92 = 822.03 : x
  2. Step 2: Convert to fraction form
    1,411.62/1,947.92 = 822.03/x
  3. Step 3: Cross multiply
    1,411.62x = 1,947.92 × 822.03
  4. Step 4: Simplify right side
    1,411.62x = 1,601,248.68
  5. Step 5: Solve for x
    x = 1,601,248.68/1,411.62
  6. Step 6: Final answer
    x = 1,134.33

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.