Home / 3,503.20-5,257.20-1,556.80

Finding the Fourth Proportional to 3,503.20, 5,257.20 and 1,556.80

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Solution

The fourth proportional to 3,503.20, 5,257.20 and 1,556.80 is: 2,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.20 : 5,257.20 = 1,556.80 : x
  2. Step 2: Convert to fraction form
    3,503.20/5,257.20 = 1,556.80/x
  3. Step 3: Cross multiply
    3,503.20x = 5,257.20 × 1,556.80
  4. Step 4: Simplify right side
    3,503.20x = 8,184,408.96
  5. Step 5: Solve for x
    x = 8,184,408.96/3,503.20
  6. Step 6: Final answer
    x = 2,336.27

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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.