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Finding the Fourth Proportional to 3,228.96, 4,845.20 and 1,254.67

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Solution

The fourth proportional to 3,228.96, 4,845.20 and 1,254.67 is: 1,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.96 : 4,845.20 = 1,254.67 : x
  2. Step 2: Convert to fraction form
    3,228.96/4,845.20 = 1,254.67/x
  3. Step 3: Cross multiply
    3,228.96x = 4,845.20 × 1,254.67
  4. Step 4: Simplify right side
    3,228.96x = 6,079,127.08
  5. Step 5: Solve for x
    x = 6,079,127.08/3,228.96
  6. Step 6: Final answer
    x = 1,882.69

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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.