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Finding the Fourth Proportional to 3,604.65, 5,404.79 and 1,753.90

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Solution

The fourth proportional to 3,604.65, 5,404.79 and 1,753.90 is: 2,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.65 : 5,404.79 = 1,753.90 : x
  2. Step 2: Convert to fraction form
    3,604.65/5,404.79 = 1,753.90/x
  3. Step 3: Cross multiply
    3,604.65x = 5,404.79 × 1,753.90
  4. Step 4: Simplify right side
    3,604.65x = 9,479,461.18
  5. Step 5: Solve for x
    x = 9,479,461.18/3,604.65
  6. Step 6: Final answer
    x = 2,629.79

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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.