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Finding the Fourth Proportional to 2,469.56, 3,703.86 and 737.80

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Solution

The fourth proportional to 2,469.56, 3,703.86 and 737.80 is: 1,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.56 : 3,703.86 = 737.80 : x
  2. Step 2: Convert to fraction form
    2,469.56/3,703.86 = 737.80/x
  3. Step 3: Cross multiply
    2,469.56x = 3,703.86 × 737.80
  4. Step 4: Simplify right side
    2,469.56x = 2,732,707.91
  5. Step 5: Solve for x
    x = 2,732,707.91/2,469.56
  6. Step 6: Final answer
    x = 1,106.56

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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.