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Finding the Fourth Proportional to 3,538, 5,314.83 and 2,307.34

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Solution

The fourth proportional to 3,538, 5,314.83 and 2,307.34 is: 3,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538 : 5,314.83 = 2,307.34 : x
  2. Step 2: Convert to fraction form
    3,538/5,314.83 = 2,307.34/x
  3. Step 3: Cross multiply
    3,538x = 5,314.83 × 2,307.34
  4. Step 4: Simplify right side
    3,538x = 12,263,119.85
  5. Step 5: Solve for x
    x = 12,263,119.85/3,538
  6. Step 6: Final answer
    x = 3,466.12

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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.