Home / 1,986.32-2,741.34-1,146.76

Finding the Fourth Proportional to 1,986.32, 2,741.34 and 1,146.76

Calculator

Solution

The fourth proportional to 1,986.32, 2,741.34 and 1,146.76 is: 1,582.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.32 : 2,741.34 = 1,146.76 : x
  2. Step 2: Convert to fraction form
    1,986.32/2,741.34 = 1,146.76/x
  3. Step 3: Cross multiply
    1,986.32x = 2,741.34 × 1,146.76
  4. Step 4: Simplify right side
    1,986.32x = 3,143,656.51
  5. Step 5: Solve for x
    x = 3,143,656.51/1,986.32
  6. Step 6: Final answer
    x = 1,582.65

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.