Home / 3,455.36-5,183.68-1,811.44

Finding the Fourth Proportional to 3,455.36, 5,183.68 and 1,811.44

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Solution

The fourth proportional to 3,455.36, 5,183.68 and 1,811.44 is: 2,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.36 : 5,183.68 = 1,811.44 : x
  2. Step 2: Convert to fraction form
    3,455.36/5,183.68 = 1,811.44/x
  3. Step 3: Cross multiply
    3,455.36x = 5,183.68 × 1,811.44
  4. Step 4: Simplify right side
    3,455.36x = 9,389,925.30
  5. Step 5: Solve for x
    x = 9,389,925.30/3,455.36
  6. Step 6: Final answer
    x = 2,717.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.