Home / 3,942.54-5,909.70-1,476.29

Finding the Fourth Proportional to 3,942.54, 5,909.70 and 1,476.29

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Solution

The fourth proportional to 3,942.54, 5,909.70 and 1,476.29 is: 2,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.54 : 5,909.70 = 1,476.29 : x
  2. Step 2: Convert to fraction form
    3,942.54/5,909.70 = 1,476.29/x
  3. Step 3: Cross multiply
    3,942.54x = 5,909.70 × 1,476.29
  4. Step 4: Simplify right side
    3,942.54x = 8,724,431.01
  5. Step 5: Solve for x
    x = 8,724,431.01/3,942.54
  6. Step 6: Final answer
    x = 2,212.90

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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.