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Finding the Fourth Proportional to 2,499.26, 3,749.04 and 650.39

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Solution

The fourth proportional to 2,499.26, 3,749.04 and 650.39 is: 975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.26 : 3,749.04 = 650.39 : x
  2. Step 2: Convert to fraction form
    2,499.26/3,749.04 = 650.39/x
  3. Step 3: Cross multiply
    2,499.26x = 3,749.04 × 650.39
  4. Step 4: Simplify right side
    2,499.26x = 2,438,319.38
  5. Step 5: Solve for x
    x = 2,438,319.38/2,499.26
  6. Step 6: Final answer
    x = 975.62

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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.