Home / 3,553.86-5,320.70-2,824.50

Finding the Fourth Proportional to 3,553.86, 5,320.70 and 2,824.50

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Solution

The fourth proportional to 3,553.86, 5,320.70 and 2,824.50 is: 4,228.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.86 : 5,320.70 = 2,824.50 : x
  2. Step 2: Convert to fraction form
    3,553.86/5,320.70 = 2,824.50/x
  3. Step 3: Cross multiply
    3,553.86x = 5,320.70 × 2,824.50
  4. Step 4: Simplify right side
    3,553.86x = 15,028,317.15
  5. Step 5: Solve for x
    x = 15,028,317.15/3,553.86
  6. Step 6: Final answer
    x = 4,228.73

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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.