Home / 1,881.83-2,822.83-649.37

Finding the Fourth Proportional to 1,881.83, 2,822.83 and 649.37

Calculator

Solution

The fourth proportional to 1,881.83, 2,822.83 and 649.37 is: 974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.83 : 2,822.83 = 649.37 : x
  2. Step 2: Convert to fraction form
    1,881.83/2,822.83 = 649.37/x
  3. Step 3: Cross multiply
    1,881.83x = 2,822.83 × 649.37
  4. Step 4: Simplify right side
    1,881.83x = 1,833,066.55
  5. Step 5: Solve for x
    x = 1,833,066.55/1,881.83
  6. Step 6: Final answer
    x = 974.09

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.