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Finding the Fourth Proportional to 2,204.84, 3,307.08 and 644.72

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Solution

The fourth proportional to 2,204.84, 3,307.08 and 644.72 is: 967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.84 : 3,307.08 = 644.72 : x
  2. Step 2: Convert to fraction form
    2,204.84/3,307.08 = 644.72/x
  3. Step 3: Cross multiply
    2,204.84x = 3,307.08 × 644.72
  4. Step 4: Simplify right side
    2,204.84x = 2,132,140.62
  5. Step 5: Solve for x
    x = 2,132,140.62/2,204.84
  6. Step 6: Final answer
    x = 967.03

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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.