Home / 2,666.42-3,678.81-1,487.27

Finding the Fourth Proportional to 2,666.42, 3,678.81 and 1,487.27

Calculator

Solution

The fourth proportional to 2,666.42, 3,678.81 and 1,487.27 is: 2,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.42 : 3,678.81 = 1,487.27 : x
  2. Step 2: Convert to fraction form
    2,666.42/3,678.81 = 1,487.27/x
  3. Step 3: Cross multiply
    2,666.42x = 3,678.81 × 1,487.27
  4. Step 4: Simplify right side
    2,666.42x = 5,471,366.68
  5. Step 5: Solve for x
    x = 5,471,366.68/2,666.42
  6. Step 6: Final answer
    x = 2,051.95

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.