Home / 3,246.12-4,861.40-1,855.24

Finding the Fourth Proportional to 3,246.12, 4,861.40 and 1,855.24

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Solution

The fourth proportional to 3,246.12, 4,861.40 and 1,855.24 is: 2,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.12 : 4,861.40 = 1,855.24 : x
  2. Step 2: Convert to fraction form
    3,246.12/4,861.40 = 1,855.24/x
  3. Step 3: Cross multiply
    3,246.12x = 4,861.40 × 1,855.24
  4. Step 4: Simplify right side
    3,246.12x = 9,019,063.74
  5. Step 5: Solve for x
    x = 9,019,063.74/3,246.12
  6. Step 6: Final answer
    x = 2,778.41

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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.