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Finding the Fourth Proportional to 2,670.70, 4,006.05 and 1,747.03

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Solution

The fourth proportional to 2,670.70, 4,006.05 and 1,747.03 is: 2,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.70 : 4,006.05 = 1,747.03 : x
  2. Step 2: Convert to fraction form
    2,670.70/4,006.05 = 1,747.03/x
  3. Step 3: Cross multiply
    2,670.70x = 4,006.05 × 1,747.03
  4. Step 4: Simplify right side
    2,670.70x = 6,998,680.80
  5. Step 5: Solve for x
    x = 6,998,680.80/2,670.70
  6. Step 6: Final answer
    x = 2,620.55

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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.