Home / 1,105.30-1,655.60-1,029.34

Finding the Fourth Proportional to 1,105.30, 1,655.60 and 1,029.34

Calculator

Solution

The fourth proportional to 1,105.30, 1,655.60 and 1,029.34 is: 1,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105.30 : 1,655.60 = 1,029.34 : x
  2. Step 2: Convert to fraction form
    1,105.30/1,655.60 = 1,029.34/x
  3. Step 3: Cross multiply
    1,105.30x = 1,655.60 × 1,029.34
  4. Step 4: Simplify right side
    1,105.30x = 1,704,175.30
  5. Step 5: Solve for x
    x = 1,704,175.30/1,105.30
  6. Step 6: Final answer
    x = 1,541.82

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.