Home / 3,665.33-5,497.38-1,324.89

Finding the Fourth Proportional to 3,665.33, 5,497.38 and 1,324.89

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Solution

The fourth proportional to 3,665.33, 5,497.38 and 1,324.89 is: 1,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.33 : 5,497.38 = 1,324.89 : x
  2. Step 2: Convert to fraction form
    3,665.33/5,497.38 = 1,324.89/x
  3. Step 3: Cross multiply
    3,665.33x = 5,497.38 × 1,324.89
  4. Step 4: Simplify right side
    3,665.33x = 7,283,423.79
  5. Step 5: Solve for x
    x = 7,283,423.79/3,665.33
  6. Step 6: Final answer
    x = 1,987.11

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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.