Home / 3,580.24-5,371.10-1,388.96

Finding the Fourth Proportional to 3,580.24, 5,371.10 and 1,388.96

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Solution

The fourth proportional to 3,580.24, 5,371.10 and 1,388.96 is: 2,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.24 : 5,371.10 = 1,388.96 : x
  2. Step 2: Convert to fraction form
    3,580.24/5,371.10 = 1,388.96/x
  3. Step 3: Cross multiply
    3,580.24x = 5,371.10 × 1,388.96
  4. Step 4: Simplify right side
    3,580.24x = 7,460,243.06
  5. Step 5: Solve for x
    x = 7,460,243.06/3,580.24
  6. Step 6: Final answer
    x = 2,083.73

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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.