Home / 3,582.08-5,371.62-1,389.54

Finding the Fourth Proportional to 3,582.08, 5,371.62 and 1,389.54

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Solution

The fourth proportional to 3,582.08, 5,371.62 and 1,389.54 is: 2,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.08 : 5,371.62 = 1,389.54 : x
  2. Step 2: Convert to fraction form
    3,582.08/5,371.62 = 1,389.54/x
  3. Step 3: Cross multiply
    3,582.08x = 5,371.62 × 1,389.54
  4. Step 4: Simplify right side
    3,582.08x = 7,464,080.85
  5. Step 5: Solve for x
    x = 7,464,080.85/3,582.08
  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.