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Finding the Fourth Proportional to 3,018.84, 4,527.44 and 827.04

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Solution

The fourth proportional to 3,018.84, 4,527.44 and 827.04 is: 1,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.84 : 4,527.44 = 827.04 : x
  2. Step 2: Convert to fraction form
    3,018.84/4,527.44 = 827.04/x
  3. Step 3: Cross multiply
    3,018.84x = 4,527.44 × 827.04
  4. Step 4: Simplify right side
    3,018.84x = 3,744,373.98
  5. Step 5: Solve for x
    x = 3,744,373.98/3,018.84
  6. Step 6: Final answer
    x = 1,240.34

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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.