Home / 3,246.48-4,861.91-1,855.60

Finding the Fourth Proportional to 3,246.48, 4,861.91 and 1,855.60

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Solution

The fourth proportional to 3,246.48, 4,861.91 and 1,855.60 is: 2,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.48 : 4,861.91 = 1,855.60 : x
  2. Step 2: Convert to fraction form
    3,246.48/4,861.91 = 1,855.60/x
  3. Step 3: Cross multiply
    3,246.48x = 4,861.91 × 1,855.60
  4. Step 4: Simplify right side
    3,246.48x = 9,021,752.68
  5. Step 5: Solve for x
    x = 9,021,752.68/3,246.48
  6. Step 6: Final answer
    x = 2,778.93

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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.