Home / 3,925.21-5,416.36-2,247.07

Finding the Fourth Proportional to 3,925.21, 5,416.36 and 2,247.07

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Solution

The fourth proportional to 3,925.21, 5,416.36 and 2,247.07 is: 3,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.21 : 5,416.36 = 2,247.07 : x
  2. Step 2: Convert to fraction form
    3,925.21/5,416.36 = 2,247.07/x
  3. Step 3: Cross multiply
    3,925.21x = 5,416.36 × 2,247.07
  4. Step 4: Simplify right side
    3,925.21x = 12,170,940.07
  5. Step 5: Solve for x
    x = 12,170,940.07/3,925.21
  6. Step 6: Final answer
    x = 3,100.71

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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.