Home / 3,722.54-5,583.87-1,125.38

Finding the Fourth Proportional to 3,722.54, 5,583.87 and 1,125.38

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Solution

The fourth proportional to 3,722.54, 5,583.87 and 1,125.38 is: 1,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.54 : 5,583.87 = 1,125.38 : x
  2. Step 2: Convert to fraction form
    3,722.54/5,583.87 = 1,125.38/x
  3. Step 3: Cross multiply
    3,722.54x = 5,583.87 × 1,125.38
  4. Step 4: Simplify right side
    3,722.54x = 6,283,975.62
  5. Step 5: Solve for x
    x = 6,283,975.62/3,722.54
  6. Step 6: Final answer
    x = 1,688.09

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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.