Home / 1,982.89-2,737.72-1,772.39

Finding the Fourth Proportional to 1,982.89, 2,737.72 and 1,772.39

Calculator

Solution

The fourth proportional to 1,982.89, 2,737.72 and 1,772.39 is: 2,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.89 : 2,737.72 = 1,772.39 : x
  2. Step 2: Convert to fraction form
    1,982.89/2,737.72 = 1,772.39/x
  3. Step 3: Cross multiply
    1,982.89x = 2,737.72 × 1,772.39
  4. Step 4: Simplify right side
    1,982.89x = 4,852,306.34
  5. Step 5: Solve for x
    x = 4,852,306.34/1,982.89
  6. Step 6: Final answer
    x = 2,447.09

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.