Home / 1,515.96-2,272.02-649.24

Finding the Fourth Proportional to 1,515.96, 2,272.02 and 649.24

Calculator

Solution

The fourth proportional to 1,515.96, 2,272.02 and 649.24 is: 973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.96 : 2,272.02 = 649.24 : x
  2. Step 2: Convert to fraction form
    1,515.96/2,272.02 = 649.24/x
  3. Step 3: Cross multiply
    1,515.96x = 2,272.02 × 649.24
  4. Step 4: Simplify right side
    1,515.96x = 1,475,086.26
  5. Step 5: Solve for x
    x = 1,475,086.26/1,515.96
  6. Step 6: Final answer
    x = 973.04

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.