Home / 3,171.16-4,748.46-2,551.48

Finding the Fourth Proportional to 3,171.16, 4,748.46 and 2,551.48

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Solution

The fourth proportional to 3,171.16, 4,748.46 and 2,551.48 is: 3,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.16 : 4,748.46 = 2,551.48 : x
  2. Step 2: Convert to fraction form
    3,171.16/4,748.46 = 2,551.48/x
  3. Step 3: Cross multiply
    3,171.16x = 4,748.46 × 2,551.48
  4. Step 4: Simplify right side
    3,171.16x = 12,115,600.72
  5. Step 5: Solve for x
    x = 12,115,600.72/3,171.16
  6. Step 6: Final answer
    x = 3,820.56

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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.