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Finding the Fourth Proportional to 3,468.27, 5,204.10 and 1,619.11

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Solution

The fourth proportional to 3,468.27, 5,204.10 and 1,619.11 is: 2,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.27 : 5,204.10 = 1,619.11 : x
  2. Step 2: Convert to fraction form
    3,468.27/5,204.10 = 1,619.11/x
  3. Step 3: Cross multiply
    3,468.27x = 5,204.10 × 1,619.11
  4. Step 4: Simplify right side
    3,468.27x = 8,425,984.55
  5. Step 5: Solve for x
    x = 8,425,984.55/3,468.27
  6. Step 6: Final answer
    x = 2,429.45

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1.5x scale

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.