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Finding the Fourth Proportional to 2,204.46, 3,306.15 and 644.46

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Solution

The fourth proportional to 2,204.46, 3,306.15 and 644.46 is: 966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.46 : 3,306.15 = 644.46 : x
  2. Step 2: Convert to fraction form
    2,204.46/3,306.15 = 644.46/x
  3. Step 3: Cross multiply
    2,204.46x = 3,306.15 × 644.46
  4. Step 4: Simplify right side
    2,204.46x = 2,130,681.43
  5. Step 5: Solve for x
    x = 2,130,681.43/2,204.46
  6. Step 6: Final answer
    x = 966.53

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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.