Home / 3,900.78-5,849.95-1,303.11

Finding the Fourth Proportional to 3,900.78, 5,849.95 and 1,303.11

Calculator

Solution

The fourth proportional to 3,900.78, 5,849.95 and 1,303.11 is: 1,954.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.78 : 5,849.95 = 1,303.11 : x
  2. Step 2: Convert to fraction form
    3,900.78/5,849.95 = 1,303.11/x
  3. Step 3: Cross multiply
    3,900.78x = 5,849.95 × 1,303.11
  4. Step 4: Simplify right side
    3,900.78x = 7,623,133.23
  5. Step 5: Solve for x
    x = 7,623,133.23/3,900.78
  6. Step 6: Final answer
    x = 1,954.26

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.