Home / 3,828.78-5,744.60-2,607.70

Finding the Fourth Proportional to 3,828.78, 5,744.60 and 2,607.70

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Solution

The fourth proportional to 3,828.78, 5,744.60 and 2,607.70 is: 3,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.78 : 5,744.60 = 2,607.70 : x
  2. Step 2: Convert to fraction form
    3,828.78/5,744.60 = 2,607.70/x
  3. Step 3: Cross multiply
    3,828.78x = 5,744.60 × 2,607.70
  4. Step 4: Simplify right side
    3,828.78x = 14,980,193.42
  5. Step 5: Solve for x
    x = 14,980,193.42/3,828.78
  6. Step 6: Final answer
    x = 3,912.52

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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.