Home / 1,931.81-2,666.27-1,092.51

Finding the Fourth Proportional to 1,931.81, 2,666.27 and 1,092.51

Calculator

Solution

The fourth proportional to 1,931.81, 2,666.27 and 1,092.51 is: 1,507.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931.81 : 2,666.27 = 1,092.51 : x
  2. Step 2: Convert to fraction form
    1,931.81/2,666.27 = 1,092.51/x
  3. Step 3: Cross multiply
    1,931.81x = 2,666.27 × 1,092.51
  4. Step 4: Simplify right side
    1,931.81x = 2,912,929.37
  5. Step 5: Solve for x
    x = 2,912,929.37/1,931.81
  6. Step 6: Final answer
    x = 1,507.88

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.