Home / 2,845.08-4,267.62-1,305

Finding the Fourth Proportional to 2,845.08, 4,267.62 and 1,305

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Solution

The fourth proportional to 2,845.08, 4,267.62 and 1,305 is: 1,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.08 : 4,267.62 = 1,305 : x
  2. Step 2: Convert to fraction form
    2,845.08/4,267.62 = 1,305/x
  3. Step 3: Cross multiply
    2,845.08x = 4,267.62 × 1,305
  4. Step 4: Simplify right side
    2,845.08x = 5,569,244.10
  5. Step 5: Solve for x
    x = 5,569,244.10/2,845.08
  6. Step 6: Final answer
    x = 1,957.50

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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.