Home / 3,069.68-4,604.56-1,121.36

Finding the Fourth Proportional to 3,069.68, 4,604.56 and 1,121.36

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Solution

The fourth proportional to 3,069.68, 4,604.56 and 1,121.36 is: 1,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.68 : 4,604.56 = 1,121.36 : x
  2. Step 2: Convert to fraction form
    3,069.68/4,604.56 = 1,121.36/x
  3. Step 3: Cross multiply
    3,069.68x = 4,604.56 × 1,121.36
  4. Step 4: Simplify right side
    3,069.68x = 5,163,369.40
  5. Step 5: Solve for x
    x = 5,163,369.40/3,069.68
  6. Step 6: Final answer
    x = 1,682.05

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1.5x scale

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.