Home / 3,867.53-5,336.27-2,188.94

Finding the Fourth Proportional to 3,867.53, 5,336.27 and 2,188.94

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Solution

The fourth proportional to 3,867.53, 5,336.27 and 2,188.94 is: 3,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.53 : 5,336.27 = 2,188.94 : x
  2. Step 2: Convert to fraction form
    3,867.53/5,336.27 = 2,188.94/x
  3. Step 3: Cross multiply
    3,867.53x = 5,336.27 × 2,188.94
  4. Step 4: Simplify right side
    3,867.53x = 11,680,760.25
  5. Step 5: Solve for x
    x = 11,680,760.25/3,867.53
  6. Step 6: Final answer
    x = 3,020.21

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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.