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Finding the Fourth Proportional to 2,004.84, 3,007.88 and 706.44

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Solution

The fourth proportional to 2,004.84, 3,007.88 and 706.44 is: 1,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.84 : 3,007.88 = 706.44 : x
  2. Step 2: Convert to fraction form
    2,004.84/3,007.88 = 706.44/x
  3. Step 3: Cross multiply
    2,004.84x = 3,007.88 × 706.44
  4. Step 4: Simplify right side
    2,004.84x = 2,124,886.75
  5. Step 5: Solve for x
    x = 2,124,886.75/2,004.84
  6. Step 6: Final answer
    x = 1,059.88

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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.