Home / 3,744.48-5,619.96-2,821.08

Finding the Fourth Proportional to 3,744.48, 5,619.96 and 2,821.08

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Solution

The fourth proportional to 3,744.48, 5,619.96 and 2,821.08 is: 4,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.48 : 5,619.96 = 2,821.08 : x
  2. Step 2: Convert to fraction form
    3,744.48/5,619.96 = 2,821.08/x
  3. Step 3: Cross multiply
    3,744.48x = 5,619.96 × 2,821.08
  4. Step 4: Simplify right side
    3,744.48x = 15,854,356.76
  5. Step 5: Solve for x
    x = 15,854,356.76/3,744.48
  6. Step 6: Final answer
    x = 4,234.06

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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.