Home / 3,857.24-5,322.96-2,286.08

Finding the Fourth Proportional to 3,857.24, 5,322.96 and 2,286.08

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Solution

The fourth proportional to 3,857.24, 5,322.96 and 2,286.08 is: 3,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.24 : 5,322.96 = 2,286.08 : x
  2. Step 2: Convert to fraction form
    3,857.24/5,322.96 = 2,286.08/x
  3. Step 3: Cross multiply
    3,857.24x = 5,322.96 × 2,286.08
  4. Step 4: Simplify right side
    3,857.24x = 12,168,712.40
  5. Step 5: Solve for x
    x = 12,168,712.40/3,857.24
  6. Step 6: Final answer
    x = 3,154.77

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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.