Home / 1,552.57-2,142.65-889.58

Finding the Fourth Proportional to 1,552.57, 2,142.65 and 889.58

Calculator

Solution

The fourth proportional to 1,552.57, 2,142.65 and 889.58 is: 1,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.57 : 2,142.65 = 889.58 : x
  2. Step 2: Convert to fraction form
    1,552.57/2,142.65 = 889.58/x
  3. Step 3: Cross multiply
    1,552.57x = 2,142.65 × 889.58
  4. Step 4: Simplify right side
    1,552.57x = 1,906,066.17
  5. Step 5: Solve for x
    x = 1,906,066.17/1,552.57
  6. Step 6: Final answer
    x = 1,227.69

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.