Home / 3,857.22-5,322.97-2,088.84

Finding the Fourth Proportional to 3,857.22, 5,322.97 and 2,088.84

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Solution

The fourth proportional to 3,857.22, 5,322.97 and 2,088.84 is: 2,882.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.22 : 5,322.97 = 2,088.84 : x
  2. Step 2: Convert to fraction form
    3,857.22/5,322.97 = 2,088.84/x
  3. Step 3: Cross multiply
    3,857.22x = 5,322.97 × 2,088.84
  4. Step 4: Simplify right side
    3,857.22x = 11,118,815.30
  5. Step 5: Solve for x
    x = 11,118,815.30/3,857.22
  6. Step 6: Final answer
    x = 2,882.60

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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.