Home / 3,411.25-5,123.70-3,299.15

Finding the Fourth Proportional to 3,411.25, 5,123.70 and 3,299.15

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Solution

The fourth proportional to 3,411.25, 5,123.70 and 3,299.15 is: 4,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.25 : 5,123.70 = 3,299.15 : x
  2. Step 2: Convert to fraction form
    3,411.25/5,123.70 = 3,299.15/x
  3. Step 3: Cross multiply
    3,411.25x = 5,123.70 × 3,299.15
  4. Step 4: Simplify right side
    3,411.25x = 16,903,867.66
  5. Step 5: Solve for x
    x = 16,903,867.66/3,411.25
  6. Step 6: Final answer
    x = 4,955.33

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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.