Home / 3,469.86-5,204.70-1,281.06

Finding the Fourth Proportional to 3,469.86, 5,204.70 and 1,281.06

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Solution

The fourth proportional to 3,469.86, 5,204.70 and 1,281.06 is: 1,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.86 : 5,204.70 = 1,281.06 : x
  2. Step 2: Convert to fraction form
    3,469.86/5,204.70 = 1,281.06/x
  3. Step 3: Cross multiply
    3,469.86x = 5,204.70 × 1,281.06
  4. Step 4: Simplify right side
    3,469.86x = 6,667,532.98
  5. Step 5: Solve for x
    x = 6,667,532.98/3,469.86
  6. Step 6: Final answer
    x = 1,921.56

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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.