Home / 3,858.13-5,325.58-2,286.22

Finding the Fourth Proportional to 3,858.13, 5,325.58 and 2,286.22

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Solution

The fourth proportional to 3,858.13, 5,325.58 and 2,286.22 is: 3,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.13 : 5,325.58 = 2,286.22 : x
  2. Step 2: Convert to fraction form
    3,858.13/5,325.58 = 2,286.22/x
  3. Step 3: Cross multiply
    3,858.13x = 5,325.58 × 2,286.22
  4. Step 4: Simplify right side
    3,858.13x = 12,175,447.51
  5. Step 5: Solve for x
    x = 12,175,447.51/3,858.13
  6. Step 6: Final answer
    x = 3,155.79

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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.