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Finding the Fourth Proportional to 2,874.96, 4,314.11 and 1,208.96

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Solution

The fourth proportional to 2,874.96, 4,314.11 and 1,208.96 is: 1,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.96 : 4,314.11 = 1,208.96 : x
  2. Step 2: Convert to fraction form
    2,874.96/4,314.11 = 1,208.96/x
  3. Step 3: Cross multiply
    2,874.96x = 4,314.11 × 1,208.96
  4. Step 4: Simplify right side
    2,874.96x = 5,215,586.16
  5. Step 5: Solve for x
    x = 5,215,586.16/2,874.96
  6. Step 6: Final answer
    x = 1,814.14

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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.