Home / 3,716.38-5,124.26-3,087.64

Finding the Fourth Proportional to 3,716.38, 5,124.26 and 3,087.64

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Solution

The fourth proportional to 3,716.38, 5,124.26 and 3,087.64 is: 4,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.38 : 5,124.26 = 3,087.64 : x
  2. Step 2: Convert to fraction form
    3,716.38/5,124.26 = 3,087.64/x
  3. Step 3: Cross multiply
    3,716.38x = 5,124.26 × 3,087.64
  4. Step 4: Simplify right side
    3,716.38x = 15,821,870.15
  5. Step 5: Solve for x
    x = 15,821,870.15/3,716.38
  6. Step 6: Final answer
    x = 4,257.33

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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.