Home / 3,829.68-5,284.98-2,257.74

Finding the Fourth Proportional to 3,829.68, 5,284.98 and 2,257.74

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Solution

The fourth proportional to 3,829.68, 5,284.98 and 2,257.74 is: 3,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.68 : 5,284.98 = 2,257.74 : x
  2. Step 2: Convert to fraction form
    3,829.68/5,284.98 = 2,257.74/x
  3. Step 3: Cross multiply
    3,829.68x = 5,284.98 × 2,257.74
  4. Step 4: Simplify right side
    3,829.68x = 11,932,110.75
  5. Step 5: Solve for x
    x = 11,932,110.75/3,829.68
  6. Step 6: Final answer
    x = 3,115.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.