Home / 3,074.45-4,611.69-1,126.22

Finding the Fourth Proportional to 3,074.45, 4,611.69 and 1,126.22

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Solution

The fourth proportional to 3,074.45, 4,611.69 and 1,126.22 is: 1,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.45 : 4,611.69 = 1,126.22 : x
  2. Step 2: Convert to fraction form
    3,074.45/4,611.69 = 1,126.22/x
  3. Step 3: Cross multiply
    3,074.45x = 4,611.69 × 1,126.22
  4. Step 4: Simplify right side
    3,074.45x = 5,193,754.45
  5. Step 5: Solve for x
    x = 5,193,754.45/3,074.45
  6. Step 6: Final answer
    x = 1,689.33

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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.