Home / 3,481.84-5,224.76-1,292.08

Finding the Fourth Proportional to 3,481.84, 5,224.76 and 1,292.08

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Solution

The fourth proportional to 3,481.84, 5,224.76 and 1,292.08 is: 1,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.84 : 5,224.76 = 1,292.08 : x
  2. Step 2: Convert to fraction form
    3,481.84/5,224.76 = 1,292.08/x
  3. Step 3: Cross multiply
    3,481.84x = 5,224.76 × 1,292.08
  4. Step 4: Simplify right side
    3,481.84x = 6,750,807.90
  5. Step 5: Solve for x
    x = 6,750,807.90/3,481.84
  6. Step 6: Final answer
    x = 1,938.86

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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.