Home / 1,100.49-1,649.58-514.82

Finding the Fourth Proportional to 1,100.49, 1,649.58 and 514.82

Calculator

Solution

The fourth proportional to 1,100.49, 1,649.58 and 514.82 is: 771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.49 : 1,649.58 = 514.82 : x
  2. Step 2: Convert to fraction form
    1,100.49/1,649.58 = 514.82/x
  3. Step 3: Cross multiply
    1,100.49x = 1,649.58 × 514.82
  4. Step 4: Simplify right side
    1,100.49x = 849,228.53
  5. Step 5: Solve for x
    x = 849,228.53/1,100.49
  6. Step 6: Final answer
    x = 771.68

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.