Home / 3,497.40-5,245.68-1,305.54

Finding the Fourth Proportional to 3,497.40, 5,245.68 and 1,305.54

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Solution

The fourth proportional to 3,497.40, 5,245.68 and 1,305.54 is: 1,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,497.40 : 5,245.68 = 1,305.54 : x
  2. Step 2: Convert to fraction form
    3,497.40/5,245.68 = 1,305.54/x
  3. Step 3: Cross multiply
    3,497.40x = 5,245.68 × 1,305.54
  4. Step 4: Simplify right side
    3,497.40x = 6,848,445.07
  5. Step 5: Solve for x
    x = 6,848,445.07/3,497.40
  6. Step 6: Final answer
    x = 1,958.15

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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.