Home / 2,795.12-4,192.90-945.62

Finding the Fourth Proportional to 2,795.12, 4,192.90 and 945.62

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Solution

The fourth proportional to 2,795.12, 4,192.90 and 945.62 is: 1,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.12 : 4,192.90 = 945.62 : x
  2. Step 2: Convert to fraction form
    2,795.12/4,192.90 = 945.62/x
  3. Step 3: Cross multiply
    2,795.12x = 4,192.90 × 945.62
  4. Step 4: Simplify right side
    2,795.12x = 3,964,890.10
  5. Step 5: Solve for x
    x = 3,964,890.10/2,795.12
  6. Step 6: Final answer
    x = 1,418.50

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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.