Home / 3,780.08-5,673.06-2,618.22

Finding the Fourth Proportional to 3,780.08, 5,673.06 and 2,618.22

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Solution

The fourth proportional to 3,780.08, 5,673.06 and 2,618.22 is: 3,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.08 : 5,673.06 = 2,618.22 : x
  2. Step 2: Convert to fraction form
    3,780.08/5,673.06 = 2,618.22/x
  3. Step 3: Cross multiply
    3,780.08x = 5,673.06 × 2,618.22
  4. Step 4: Simplify right side
    3,780.08x = 14,853,319.15
  5. Step 5: Solve for x
    x = 14,853,319.15/3,780.08
  6. Step 6: Final answer
    x = 3,929.37

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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.