Home / 2,947.78-4,418.92-998.62

Finding the Fourth Proportional to 2,947.78, 4,418.92 and 998.62

Calculator

Solution

The fourth proportional to 2,947.78, 4,418.92 and 998.62 is: 1,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947.78 : 4,418.92 = 998.62 : x
  2. Step 2: Convert to fraction form
    2,947.78/4,418.92 = 998.62/x
  3. Step 3: Cross multiply
    2,947.78x = 4,418.92 × 998.62
  4. Step 4: Simplify right side
    2,947.78x = 4,412,821.89
  5. Step 5: Solve for x
    x = 4,412,821.89/2,947.78
  6. Step 6: Final answer
    x = 1,497.00

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.