Home / 3,215.61-4,815.54-2,903.97

Finding the Fourth Proportional to 3,215.61, 4,815.54 and 2,903.97

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Solution

The fourth proportional to 3,215.61, 4,815.54 and 2,903.97 is: 4,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.61 : 4,815.54 = 2,903.97 : x
  2. Step 2: Convert to fraction form
    3,215.61/4,815.54 = 2,903.97/x
  3. Step 3: Cross multiply
    3,215.61x = 4,815.54 × 2,903.97
  4. Step 4: Simplify right side
    3,215.61x = 13,984,183.69
  5. Step 5: Solve for x
    x = 13,984,183.69/3,215.61
  6. Step 6: Final answer
    x = 4,348.84

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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.