Home / 2,110.47-2,910.79-1,969.00

Finding the Fourth Proportional to 2,110.47, 2,910.79 and 1,969.00

Calculator

Solution

The fourth proportional to 2,110.47, 2,910.79 and 1,969.00 is: 2,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.47 : 2,910.79 = 1,969.00 : x
  2. Step 2: Convert to fraction form
    2,110.47/2,910.79 = 1,969.00/x
  3. Step 3: Cross multiply
    2,110.47x = 2,910.79 × 1,969.00
  4. Step 4: Simplify right side
    2,110.47x = 5,731,333.31
  5. Step 5: Solve for x
    x = 5,731,333.31/2,110.47
  6. Step 6: Final answer
    x = 2,715.67

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.