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Finding the Fourth Proportional to 3,379.56, 5,068.00 and 1,403.87

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Solution

The fourth proportional to 3,379.56, 5,068.00 and 1,403.87 is: 2,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.56 : 5,068.00 = 1,403.87 : x
  2. Step 2: Convert to fraction form
    3,379.56/5,068.00 = 1,403.87/x
  3. Step 3: Cross multiply
    3,379.56x = 5,068.00 × 1,403.87
  4. Step 4: Simplify right side
    3,379.56x = 7,114,789.57
  5. Step 5: Solve for x
    x = 7,114,789.57/3,379.56
  6. Step 6: Final answer
    x = 2,105.24

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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.