Home / 3,096.38-4,644.57-905.13

Finding the Fourth Proportional to 3,096.38, 4,644.57 and 905.13

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Solution

The fourth proportional to 3,096.38, 4,644.57 and 905.13 is: 1,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.38 : 4,644.57 = 905.13 : x
  2. Step 2: Convert to fraction form
    3,096.38/4,644.57 = 905.13/x
  3. Step 3: Cross multiply
    3,096.38x = 4,644.57 × 905.13
  4. Step 4: Simplify right side
    3,096.38x = 4,203,939.64
  5. Step 5: Solve for x
    x = 4,203,939.64/3,096.38
  6. Step 6: Final answer
    x = 1,357.70

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,097.38, 4,646.07 and 906.13
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.