Home / 3,019.68-4,530.96-1,072.80

Finding the Fourth Proportional to 3,019.68, 4,530.96 and 1,072.80

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Solution

The fourth proportional to 3,019.68, 4,530.96 and 1,072.80 is: 1,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.68 : 4,530.96 = 1,072.80 : x
  2. Step 2: Convert to fraction form
    3,019.68/4,530.96 = 1,072.80/x
  3. Step 3: Cross multiply
    3,019.68x = 4,530.96 × 1,072.80
  4. Step 4: Simplify right side
    3,019.68x = 4,860,813.89
  5. Step 5: Solve for x
    x = 4,860,813.89/3,019.68
  6. Step 6: Final answer
    x = 1,609.71

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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.