Home / 3,844.80-5,299.68-3,672

Finding the Fourth Proportional to 3,844.80, 5,299.68 and 3,672

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Solution

The fourth proportional to 3,844.80, 5,299.68 and 3,672 is: 5,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.80 : 5,299.68 = 3,672 : x
  2. Step 2: Convert to fraction form
    3,844.80/5,299.68 = 3,672/x
  3. Step 3: Cross multiply
    3,844.80x = 5,299.68 × 3,672
  4. Step 4: Simplify right side
    3,844.80x = 19,460,424.96
  5. Step 5: Solve for x
    x = 19,460,424.96/3,844.80
  6. Step 6: Final answer
    x = 5,061.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.