Home / 3,299.21-4,927.39-2,861.81

Finding the Fourth Proportional to 3,299.21, 4,927.39 and 2,861.81

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Solution

The fourth proportional to 3,299.21, 4,927.39 and 2,861.81 is: 4,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.21 : 4,927.39 = 2,861.81 : x
  2. Step 2: Convert to fraction form
    3,299.21/4,927.39 = 2,861.81/x
  3. Step 3: Cross multiply
    3,299.21x = 4,927.39 × 2,861.81
  4. Step 4: Simplify right side
    3,299.21x = 14,101,239.67
  5. Step 5: Solve for x
    x = 14,101,239.67/3,299.21
  6. Step 6: Final answer
    x = 4,274.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.