Home / 3,578.85-5,355.18-2,539.89

Finding the Fourth Proportional to 3,578.85, 5,355.18 and 2,539.89

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Solution

The fourth proportional to 3,578.85, 5,355.18 and 2,539.89 is: 3,800.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.85 : 5,355.18 = 2,539.89 : x
  2. Step 2: Convert to fraction form
    3,578.85/5,355.18 = 2,539.89/x
  3. Step 3: Cross multiply
    3,578.85x = 5,355.18 × 2,539.89
  4. Step 4: Simplify right side
    3,578.85x = 13,601,568.13
  5. Step 5: Solve for x
    x = 13,601,568.13/3,578.85
  6. Step 6: Final answer
    x = 3,800.54

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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.