Home / 3,603.60-5,402.20-3,214.80

Finding the Fourth Proportional to 3,603.60, 5,402.20 and 3,214.80

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Solution

The fourth proportional to 3,603.60, 5,402.20 and 3,214.80 is: 4,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.60 : 5,402.20 = 3,214.80 : x
  2. Step 2: Convert to fraction form
    3,603.60/5,402.20 = 3,214.80/x
  3. Step 3: Cross multiply
    3,603.60x = 5,402.20 × 3,214.80
  4. Step 4: Simplify right side
    3,603.60x = 17,366,992.56
  5. Step 5: Solve for x
    x = 17,366,992.56/3,603.60
  6. Step 6: Final answer
    x = 4,819.35

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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.