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Finding the Fourth Proportional to 3,303.34, 4,954.98 and 838.12

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Solution

The fourth proportional to 3,303.34, 4,954.98 and 838.12 is: 1,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.34 : 4,954.98 = 838.12 : x
  2. Step 2: Convert to fraction form
    3,303.34/4,954.98 = 838.12/x
  3. Step 3: Cross multiply
    3,303.34x = 4,954.98 × 838.12
  4. Step 4: Simplify right side
    3,303.34x = 4,152,877.69
  5. Step 5: Solve for x
    x = 4,152,877.69/3,303.34
  6. Step 6: Final answer
    x = 1,257.18

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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.