Home / 1,390.01-2,076.86-1,341.56

Finding the Fourth Proportional to 1,390.01, 2,076.86 and 1,341.56

Calculator

Solution

The fourth proportional to 1,390.01, 2,076.86 and 1,341.56 is: 2,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390.01 : 2,076.86 = 1,341.56 : x
  2. Step 2: Convert to fraction form
    1,390.01/2,076.86 = 1,341.56/x
  3. Step 3: Cross multiply
    1,390.01x = 2,076.86 × 1,341.56
  4. Step 4: Simplify right side
    1,390.01x = 2,786,230.79
  5. Step 5: Solve for x
    x = 2,786,230.79/1,390.01
  6. Step 6: Final answer
    x = 2,004.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.