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Finding the Fourth Proportional to 3,996.38, 5,994.16 and 1,223.08

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Solution

The fourth proportional to 3,996.38, 5,994.16 and 1,223.08 is: 1,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.38 : 5,994.16 = 1,223.08 : x
  2. Step 2: Convert to fraction form
    3,996.38/5,994.16 = 1,223.08/x
  3. Step 3: Cross multiply
    3,996.38x = 5,994.16 × 1,223.08
  4. Step 4: Simplify right side
    3,996.38x = 7,331,337.21
  5. Step 5: Solve for x
    x = 7,331,337.21/3,996.38
  6. Step 6: Final answer
    x = 1,834.49

Related Problems

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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.