Home / 2,600.64-3,588.84-1,421.69

Finding the Fourth Proportional to 2,600.64, 3,588.84 and 1,421.69

Calculator

Solution

The fourth proportional to 2,600.64, 3,588.84 and 1,421.69 is: 1,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.64 : 3,588.84 = 1,421.69 : x
  2. Step 2: Convert to fraction form
    2,600.64/3,588.84 = 1,421.69/x
  3. Step 3: Cross multiply
    2,600.64x = 3,588.84 × 1,421.69
  4. Step 4: Simplify right side
    2,600.64x = 5,102,200.00
  5. Step 5: Solve for x
    x = 5,102,200.00/2,600.64
  6. Step 6: Final answer
    x = 1,961.90

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.