Home / 1,550.91-2,139.96-887.76

Finding the Fourth Proportional to 1,550.91, 2,139.96 and 887.76

Calculator

Solution

The fourth proportional to 1,550.91, 2,139.96 and 887.76 is: 1,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.91 : 2,139.96 = 887.76 : x
  2. Step 2: Convert to fraction form
    1,550.91/2,139.96 = 887.76/x
  3. Step 3: Cross multiply
    1,550.91x = 2,139.96 × 887.76
  4. Step 4: Simplify right side
    1,550.91x = 1,899,770.89
  5. Step 5: Solve for x
    x = 1,899,770.89/1,550.91
  6. Step 6: Final answer
    x = 1,224.94

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.