Home / 3,522.75-4,861.36-1,929.39

Finding the Fourth Proportional to 3,522.75, 4,861.36 and 1,929.39

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Solution

The fourth proportional to 3,522.75, 4,861.36 and 1,929.39 is: 2,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.75 : 4,861.36 = 1,929.39 : x
  2. Step 2: Convert to fraction form
    3,522.75/4,861.36 = 1,929.39/x
  3. Step 3: Cross multiply
    3,522.75x = 4,861.36 × 1,929.39
  4. Step 4: Simplify right side
    3,522.75x = 9,379,459.37
  5. Step 5: Solve for x
    x = 9,379,459.37/3,522.75
  6. Step 6: Final answer
    x = 2,662.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.