Home / 3,456.84-5,186.28-1,481.40

Finding the Fourth Proportional to 3,456.84, 5,186.28 and 1,481.40

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Solution

The fourth proportional to 3,456.84, 5,186.28 and 1,481.40 is: 2,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.84 : 5,186.28 = 1,481.40 : x
  2. Step 2: Convert to fraction form
    3,456.84/5,186.28 = 1,481.40/x
  3. Step 3: Cross multiply
    3,456.84x = 5,186.28 × 1,481.40
  4. Step 4: Simplify right side
    3,456.84x = 7,682,955.19
  5. Step 5: Solve for x
    x = 7,682,955.19/3,456.84
  6. Step 6: Final answer
    x = 2,222.54

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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.