Home / 3,971.15-5,958.67-1,631.87

Finding the Fourth Proportional to 3,971.15, 5,958.67 and 1,631.87

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Solution

The fourth proportional to 3,971.15, 5,958.67 and 1,631.87 is: 2,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.15 : 5,958.67 = 1,631.87 : x
  2. Step 2: Convert to fraction form
    3,971.15/5,958.67 = 1,631.87/x
  3. Step 3: Cross multiply
    3,971.15x = 5,958.67 × 1,631.87
  4. Step 4: Simplify right side
    3,971.15x = 9,723,740.94
  5. Step 5: Solve for x
    x = 9,723,740.94/3,971.15
  6. Step 6: Final answer
    x = 2,448.59

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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.