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Finding the Fourth Proportional to 3,604.75, 5,404.13 and 1,526.38

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Solution

The fourth proportional to 3,604.75, 5,404.13 and 1,526.38 is: 2,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.75 : 5,404.13 = 1,526.38 : x
  2. Step 2: Convert to fraction form
    3,604.75/5,404.13 = 1,526.38/x
  3. Step 3: Cross multiply
    3,604.75x = 5,404.13 × 1,526.38
  4. Step 4: Simplify right side
    3,604.75x = 8,248,740.53
  5. Step 5: Solve for x
    x = 8,248,740.53/3,604.75
  6. Step 6: Final answer
    x = 2,288.30

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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.