Home / 2,261.81-3,119.98-1,365.45

Finding the Fourth Proportional to 2,261.81, 3,119.98 and 1,365.45

Calculator

Solution

The fourth proportional to 2,261.81, 3,119.98 and 1,365.45 is: 1,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.81 : 3,119.98 = 1,365.45 : x
  2. Step 2: Convert to fraction form
    2,261.81/3,119.98 = 1,365.45/x
  3. Step 3: Cross multiply
    2,261.81x = 3,119.98 × 1,365.45
  4. Step 4: Simplify right side
    2,261.81x = 4,260,176.69
  5. Step 5: Solve for x
    x = 4,260,176.69/2,261.81
  6. Step 6: Final answer
    x = 1,883.53

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.