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Finding the Fourth Proportional to 3,223.93, 4,836.14 and 1,375.05

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Solution

The fourth proportional to 3,223.93, 4,836.14 and 1,375.05 is: 2,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.93 : 4,836.14 = 1,375.05 : x
  2. Step 2: Convert to fraction form
    3,223.93/4,836.14 = 1,375.05/x
  3. Step 3: Cross multiply
    3,223.93x = 4,836.14 × 1,375.05
  4. Step 4: Simplify right side
    3,223.93x = 6,649,946.40
  5. Step 5: Solve for x
    x = 6,649,946.40/3,223.93
  6. Step 6: Final answer
    x = 2,062.69

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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.