Home / 3,858.16-5,323.44-2,286.76

Finding the Fourth Proportional to 3,858.16, 5,323.44 and 2,286.76

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Solution

The fourth proportional to 3,858.16, 5,323.44 and 2,286.76 is: 3,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.16 : 5,323.44 = 2,286.76 : x
  2. Step 2: Convert to fraction form
    3,858.16/5,323.44 = 2,286.76/x
  3. Step 3: Cross multiply
    3,858.16x = 5,323.44 × 2,286.76
  4. Step 4: Simplify right side
    3,858.16x = 12,173,429.65
  5. Step 5: Solve for x
    x = 12,173,429.65/3,858.16
  6. Step 6: Final answer
    x = 3,155.24

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Half scale
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Double scale
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Similar ratio
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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.