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Finding the Fourth Proportional to 1,650.60, 2,474.56 and 609.94

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Solution

The fourth proportional to 1,650.60, 2,474.56 and 609.94 is: 914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.60 : 2,474.56 = 609.94 : x
  2. Step 2: Convert to fraction form
    1,650.60/2,474.56 = 609.94/x
  3. Step 3: Cross multiply
    1,650.60x = 2,474.56 × 609.94
  4. Step 4: Simplify right side
    1,650.60x = 1,509,333.13
  5. Step 5: Solve for x
    x = 1,509,333.13/1,650.60
  6. Step 6: Final answer
    x = 914.41

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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.