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Finding the Fourth Proportional to 2,267.81, 3,401.75 and 624.34

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Solution

The fourth proportional to 2,267.81, 3,401.75 and 624.34 is: 936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.81 : 3,401.75 = 624.34 : x
  2. Step 2: Convert to fraction form
    2,267.81/3,401.75 = 624.34/x
  3. Step 3: Cross multiply
    2,267.81x = 3,401.75 × 624.34
  4. Step 4: Simplify right side
    2,267.81x = 2,123,848.60
  5. Step 5: Solve for x
    x = 2,123,848.60/2,267.81
  6. Step 6: Final answer
    x = 936.52

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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.