Home / 3,938.69-5,902.08-2,376.96

Finding the Fourth Proportional to 3,938.69, 5,902.08 and 2,376.96

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Solution

The fourth proportional to 3,938.69, 5,902.08 and 2,376.96 is: 3,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.69 : 5,902.08 = 2,376.96 : x
  2. Step 2: Convert to fraction form
    3,938.69/5,902.08 = 2,376.96/x
  3. Step 3: Cross multiply
    3,938.69x = 5,902.08 × 2,376.96
  4. Step 4: Simplify right side
    3,938.69x = 14,028,978.57
  5. Step 5: Solve for x
    x = 14,028,978.57/3,938.69
  6. Step 6: Final answer
    x = 3,561.84

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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.