Home / 3,115.79-4,674.35-1,036.45

Finding the Fourth Proportional to 3,115.79, 4,674.35 and 1,036.45

Calculator

Solution

The fourth proportional to 3,115.79, 4,674.35 and 1,036.45 is: 1,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.79 : 4,674.35 = 1,036.45 : x
  2. Step 2: Convert to fraction form
    3,115.79/4,674.35 = 1,036.45/x
  3. Step 3: Cross multiply
    3,115.79x = 4,674.35 × 1,036.45
  4. Step 4: Simplify right side
    3,115.79x = 4,844,730.06
  5. Step 5: Solve for x
    x = 4,844,730.06/3,115.79
  6. Step 6: Final answer
    x = 1,554.90

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.