Home / 3,211.35-4,819.73-1,569.30

Finding the Fourth Proportional to 3,211.35, 4,819.73 and 1,569.30

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Solution

The fourth proportional to 3,211.35, 4,819.73 and 1,569.30 is: 2,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.35 : 4,819.73 = 1,569.30 : x
  2. Step 2: Convert to fraction form
    3,211.35/4,819.73 = 1,569.30/x
  3. Step 3: Cross multiply
    3,211.35x = 4,819.73 × 1,569.30
  4. Step 4: Simplify right side
    3,211.35x = 7,563,594.44
  5. Step 5: Solve for x
    x = 7,563,594.44/3,211.35
  6. Step 6: Final answer
    x = 2,355.27

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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.