Home / 2,165.03-3,246.75-778.00

Finding the Fourth Proportional to 2,165.03, 3,246.75 and 778.00

Calculator

Solution

The fourth proportional to 2,165.03, 3,246.75 and 778.00 is: 1,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.03 : 3,246.75 = 778.00 : x
  2. Step 2: Convert to fraction form
    2,165.03/3,246.75 = 778.00/x
  3. Step 3: Cross multiply
    2,165.03x = 3,246.75 × 778.00
  4. Step 4: Simplify right side
    2,165.03x = 2,525,953.32
  5. Step 5: Solve for x
    x = 2,525,953.32/2,165.03
  6. Step 6: Final answer
    x = 1,166.70

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.