Home / 3,554.34-5,331.54-3,286.50

Finding the Fourth Proportional to 3,554.34, 5,331.54 and 3,286.50

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Solution

The fourth proportional to 3,554.34, 5,331.54 and 3,286.50 is: 4,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.34 : 5,331.54 = 3,286.50 : x
  2. Step 2: Convert to fraction form
    3,554.34/5,331.54 = 3,286.50/x
  3. Step 3: Cross multiply
    3,554.34x = 5,331.54 × 3,286.50
  4. Step 4: Simplify right side
    3,554.34x = 17,522,106.21
  5. Step 5: Solve for x
    x = 17,522,106.21/3,554.34
  6. Step 6: Final answer
    x = 4,929.78

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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.