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Finding the Fourth Proportional to 3,000.96, 4,500.36 and 1,269

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Solution

The fourth proportional to 3,000.96, 4,500.36 and 1,269 is: 1,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.96 : 4,500.36 = 1,269 : x
  2. Step 2: Convert to fraction form
    3,000.96/4,500.36 = 1,269/x
  3. Step 3: Cross multiply
    3,000.96x = 4,500.36 × 1,269
  4. Step 4: Simplify right side
    3,000.96x = 5,710,956.84
  5. Step 5: Solve for x
    x = 5,710,956.84/3,000.96
  6. Step 6: Final answer
    x = 1,903.04

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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.