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Finding the Fourth Proportional to 3,379.08, 5,069.13 and 1,530.15

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Solution

The fourth proportional to 3,379.08, 5,069.13 and 1,530.15 is: 2,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.08 : 5,069.13 = 1,530.15 : x
  2. Step 2: Convert to fraction form
    3,379.08/5,069.13 = 1,530.15/x
  3. Step 3: Cross multiply
    3,379.08x = 5,069.13 × 1,530.15
  4. Step 4: Simplify right side
    3,379.08x = 7,756,529.27
  5. Step 5: Solve for x
    x = 7,756,529.27/3,379.08
  6. Step 6: Final answer
    x = 2,295.46

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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.