Home / 3,555.38-5,333.37-1,215.29

Finding the Fourth Proportional to 3,555.38, 5,333.37 and 1,215.29

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Solution

The fourth proportional to 3,555.38, 5,333.37 and 1,215.29 is: 1,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.38 : 5,333.37 = 1,215.29 : x
  2. Step 2: Convert to fraction form
    3,555.38/5,333.37 = 1,215.29/x
  3. Step 3: Cross multiply
    3,555.38x = 5,333.37 × 1,215.29
  4. Step 4: Simplify right side
    3,555.38x = 6,481,564.56
  5. Step 5: Solve for x
    x = 6,481,564.56/3,555.38
  6. Step 6: Final answer
    x = 1,823.03

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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.