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Finding the Fourth Proportional to 3,212.84, 4,810.08 and 3,008.72

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Solution

The fourth proportional to 3,212.84, 4,810.08 and 3,008.72 is: 4,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.84 : 4,810.08 = 3,008.72 : x
  2. Step 2: Convert to fraction form
    3,212.84/4,810.08 = 3,008.72/x
  3. Step 3: Cross multiply
    3,212.84x = 4,810.08 × 3,008.72
  4. Step 4: Simplify right side
    3,212.84x = 14,472,183.90
  5. Step 5: Solve for x
    x = 14,472,183.90/3,212.84
  6. Step 6: Final answer
    x = 4,504.48

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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.