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Finding the Fourth Proportional to 2,072.12, 3,108.18 and 533

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Solution

The fourth proportional to 2,072.12, 3,108.18 and 533 is: 799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.12 : 3,108.18 = 533 : x
  2. Step 2: Convert to fraction form
    2,072.12/3,108.18 = 533/x
  3. Step 3: Cross multiply
    2,072.12x = 3,108.18 × 533
  4. Step 4: Simplify right side
    2,072.12x = 1,656,659.94
  5. Step 5: Solve for x
    x = 1,656,659.94/2,072.12
  6. Step 6: Final answer
    x = 799.50

Related Problems

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Double scale
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Similar ratio
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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.