Home / 3,375.15-5,056.65-3,171.84

Finding the Fourth Proportional to 3,375.15, 5,056.65 and 3,171.84

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Solution

The fourth proportional to 3,375.15, 5,056.65 and 3,171.84 is: 4,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.15 : 5,056.65 = 3,171.84 : x
  2. Step 2: Convert to fraction form
    3,375.15/5,056.65 = 3,171.84/x
  3. Step 3: Cross multiply
    3,375.15x = 5,056.65 × 3,171.84
  4. Step 4: Simplify right side
    3,375.15x = 16,038,884.74
  5. Step 5: Solve for x
    x = 16,038,884.74/3,375.15
  6. Step 6: Final answer
    x = 4,752.05

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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.