Home / 1,583.69-2,185.65-885.06

Finding the Fourth Proportional to 1,583.69, 2,185.65 and 885.06

Calculator

Solution

The fourth proportional to 1,583.69, 2,185.65 and 885.06 is: 1,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.69 : 2,185.65 = 885.06 : x
  2. Step 2: Convert to fraction form
    1,583.69/2,185.65 = 885.06/x
  3. Step 3: Cross multiply
    1,583.69x = 2,185.65 × 885.06
  4. Step 4: Simplify right side
    1,583.69x = 1,934,431.39
  5. Step 5: Solve for x
    x = 1,934,431.39/1,583.69
  6. Step 6: Final answer
    x = 1,221.47

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.