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Finding the Fourth Proportional to 3,274.55, 4,882.04 and 2,905.19

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Solution

The fourth proportional to 3,274.55, 4,882.04 and 2,905.19 is: 4,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.55 : 4,882.04 = 2,905.19 : x
  2. Step 2: Convert to fraction form
    3,274.55/4,882.04 = 2,905.19/x
  3. Step 3: Cross multiply
    3,274.55x = 4,882.04 × 2,905.19
  4. Step 4: Simplify right side
    3,274.55x = 14,183,236.64
  5. Step 5: Solve for x
    x = 14,183,236.64/3,274.55
  6. Step 6: Final answer
    x = 4,331.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.