Home / 3,453.76-5,178.03-1,786.10

Finding the Fourth Proportional to 3,453.76, 5,178.03 and 1,786.10

Calculator

Solution

The fourth proportional to 3,453.76, 5,178.03 and 1,786.10 is: 2,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.76 : 5,178.03 = 1,786.10 : x
  2. Step 2: Convert to fraction form
    3,453.76/5,178.03 = 1,786.10/x
  3. Step 3: Cross multiply
    3,453.76x = 5,178.03 × 1,786.10
  4. Step 4: Simplify right side
    3,453.76x = 9,248,475.92
  5. Step 5: Solve for x
    x = 9,248,475.92/3,453.76
  6. Step 6: Final answer
    x = 2,677.80

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.