Home / 1,822.89-2,731.35-1,275.69

Finding the Fourth Proportional to 1,822.89, 2,731.35 and 1,275.69

Calculator

Solution

The fourth proportional to 1,822.89, 2,731.35 and 1,275.69 is: 1,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.89 : 2,731.35 = 1,275.69 : x
  2. Step 2: Convert to fraction form
    1,822.89/2,731.35 = 1,275.69/x
  3. Step 3: Cross multiply
    1,822.89x = 2,731.35 × 1,275.69
  4. Step 4: Simplify right side
    1,822.89x = 3,484,355.88
  5. Step 5: Solve for x
    x = 3,484,355.88/1,822.89
  6. Step 6: Final answer
    x = 1,911.45

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.