Home / 3,738.14-5,158.37-2,225.62

Finding the Fourth Proportional to 3,738.14, 5,158.37 and 2,225.62

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Solution

The fourth proportional to 3,738.14, 5,158.37 and 2,225.62 is: 3,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.14 : 5,158.37 = 2,225.62 : x
  2. Step 2: Convert to fraction form
    3,738.14/5,158.37 = 2,225.62/x
  3. Step 3: Cross multiply
    3,738.14x = 5,158.37 × 2,225.62
  4. Step 4: Simplify right side
    3,738.14x = 11,480,571.44
  5. Step 5: Solve for x
    x = 11,480,571.44/3,738.14
  6. Step 6: Final answer
    x = 3,071.20

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Double scale
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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.