Home / 2,519.21-3,774.97-1,057.57

Finding the Fourth Proportional to 2,519.21, 3,774.97 and 1,057.57

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Solution

The fourth proportional to 2,519.21, 3,774.97 and 1,057.57 is: 1,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.21 : 3,774.97 = 1,057.57 : x
  2. Step 2: Convert to fraction form
    2,519.21/3,774.97 = 1,057.57/x
  3. Step 3: Cross multiply
    2,519.21x = 3,774.97 × 1,057.57
  4. Step 4: Simplify right side
    2,519.21x = 3,992,295.02
  5. Step 5: Solve for x
    x = 3,992,295.02/2,519.21
  6. Step 6: Final answer
    x = 1,584.74

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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.