Home / 1,143.47-1,713.61-1,029.66

Finding the Fourth Proportional to 1,143.47, 1,713.61 and 1,029.66

Calculator

Solution

The fourth proportional to 1,143.47, 1,713.61 and 1,029.66 is: 1,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143.47 : 1,713.61 = 1,029.66 : x
  2. Step 2: Convert to fraction form
    1,143.47/1,713.61 = 1,029.66/x
  3. Step 3: Cross multiply
    1,143.47x = 1,713.61 × 1,029.66
  4. Step 4: Simplify right side
    1,143.47x = 1,764,434.38
  5. Step 5: Solve for x
    x = 1,764,434.38/1,143.47
  6. Step 6: Final answer
    x = 1,543.06

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.