Home / 3,364.54-5,046.82-1,285.10

Finding the Fourth Proportional to 3,364.54, 5,046.82 and 1,285.10

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Solution

The fourth proportional to 3,364.54, 5,046.82 and 1,285.10 is: 1,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.54 : 5,046.82 = 1,285.10 : x
  2. Step 2: Convert to fraction form
    3,364.54/5,046.82 = 1,285.10/x
  3. Step 3: Cross multiply
    3,364.54x = 5,046.82 × 1,285.10
  4. Step 4: Simplify right side
    3,364.54x = 6,485,668.38
  5. Step 5: Solve for x
    x = 6,485,668.38/3,364.54
  6. Step 6: Final answer
    x = 1,927.65

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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.