Home / 3,972.18-5,958.30-1,342.62

Finding the Fourth Proportional to 3,972.18, 5,958.30 and 1,342.62

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Solution

The fourth proportional to 3,972.18, 5,958.30 and 1,342.62 is: 2,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.18 : 5,958.30 = 1,342.62 : x
  2. Step 2: Convert to fraction form
    3,972.18/5,958.30 = 1,342.62/x
  3. Step 3: Cross multiply
    3,972.18x = 5,958.30 × 1,342.62
  4. Step 4: Simplify right side
    3,972.18x = 7,999,732.75
  5. Step 5: Solve for x
    x = 7,999,732.75/3,972.18
  6. Step 6: Final answer
    x = 2,013.94

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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.