Home / 1,849-2,551.78-1,021.16

Finding the Fourth Proportional to 1,849, 2,551.78 and 1,021.16

Calculator

Solution

The fourth proportional to 1,849, 2,551.78 and 1,021.16 is: 1,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849 : 2,551.78 = 1,021.16 : x
  2. Step 2: Convert to fraction form
    1,849/2,551.78 = 1,021.16/x
  3. Step 3: Cross multiply
    1,849x = 2,551.78 × 1,021.16
  4. Step 4: Simplify right side
    1,849x = 2,605,775.66
  5. Step 5: Solve for x
    x = 2,605,775.66/1,849
  6. Step 6: Final answer
    x = 1,409.29

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.