Home / 1,146.92-1,582.98-681.08

Finding the Fourth Proportional to 1,146.92, 1,582.98 and 681.08

Calculator

Solution

The fourth proportional to 1,146.92, 1,582.98 and 681.08 is: 940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.92 : 1,582.98 = 681.08 : x
  2. Step 2: Convert to fraction form
    1,146.92/1,582.98 = 681.08/x
  3. Step 3: Cross multiply
    1,146.92x = 1,582.98 × 681.08
  4. Step 4: Simplify right side
    1,146.92x = 1,078,136.02
  5. Step 5: Solve for x
    x = 1,078,136.02/1,146.92
  6. Step 6: Final answer
    x = 940.03

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.