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Finding the Fourth Proportional to 2,346.38, 3,519.50 and 959.33

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Solution

The fourth proportional to 2,346.38, 3,519.50 and 959.33 is: 1,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.38 : 3,519.50 = 959.33 : x
  2. Step 2: Convert to fraction form
    2,346.38/3,519.50 = 959.33/x
  3. Step 3: Cross multiply
    2,346.38x = 3,519.50 × 959.33
  4. Step 4: Simplify right side
    2,346.38x = 3,376,346.74
  5. Step 5: Solve for x
    x = 3,376,346.74/2,346.38
  6. Step 6: Final answer
    x = 1,438.96

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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.