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Finding the Fourth Proportional to 3,473, 5,209.50 and 1,041

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Solution

The fourth proportional to 3,473, 5,209.50 and 1,041 is: 1,561.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473 : 5,209.50 = 1,041 : x
  2. Step 2: Convert to fraction form
    3,473/5,209.50 = 1,041/x
  3. Step 3: Cross multiply
    3,473x = 5,209.50 × 1,041
  4. Step 4: Simplify right side
    3,473x = 5,423,089.50
  5. Step 5: Solve for x
    x = 5,423,089.50/3,473
  6. Step 6: Final answer
    x = 1,561.50

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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.