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Finding the Fourth Proportional to 3,310.37, 4,965.56 and 845.10

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Solution

The fourth proportional to 3,310.37, 4,965.56 and 845.10 is: 1,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.37 : 4,965.56 = 845.10 : x
  2. Step 2: Convert to fraction form
    3,310.37/4,965.56 = 845.10/x
  3. Step 3: Cross multiply
    3,310.37x = 4,965.56 × 845.10
  4. Step 4: Simplify right side
    3,310.37x = 4,196,416.22
  5. Step 5: Solve for x
    x = 4,196,416.22/3,310.37
  6. Step 6: Final answer
    x = 1,267.66

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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.