Home / 3,375.65-5,057.40-3,172.34

Finding the Fourth Proportional to 3,375.65, 5,057.40 and 3,172.34

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Solution

The fourth proportional to 3,375.65, 5,057.40 and 3,172.34 is: 4,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.65 : 5,057.40 = 3,172.34 : x
  2. Step 2: Convert to fraction form
    3,375.65/5,057.40 = 3,172.34/x
  3. Step 3: Cross multiply
    3,375.65x = 5,057.40 × 3,172.34
  4. Step 4: Simplify right side
    3,375.65x = 16,043,792.32
  5. Step 5: Solve for x
    x = 16,043,792.32/3,375.65
  6. Step 6: Final answer
    x = 4,752.80

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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.