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Finding the Fourth Proportional to 3,717, 5,129.32 and 2,225.08

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Solution

The fourth proportional to 3,717, 5,129.32 and 2,225.08 is: 3,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717 : 5,129.32 = 2,225.08 : x
  2. Step 2: Convert to fraction form
    3,717/5,129.32 = 2,225.08/x
  3. Step 3: Cross multiply
    3,717x = 5,129.32 × 2,225.08
  4. Step 4: Simplify right side
    3,717x = 11,413,147.35
  5. Step 5: Solve for x
    x = 11,413,147.35/3,717
  6. Step 6: Final answer
    x = 3,070.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.