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Finding the Fourth Proportional to 3,744.70, 5,617.05 and 1,995.10

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Solution

The fourth proportional to 3,744.70, 5,617.05 and 1,995.10 is: 2,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.70 : 5,617.05 = 1,995.10 : x
  2. Step 2: Convert to fraction form
    3,744.70/5,617.05 = 1,995.10/x
  3. Step 3: Cross multiply
    3,744.70x = 5,617.05 × 1,995.10
  4. Step 4: Simplify right side
    3,744.70x = 11,206,576.46
  5. Step 5: Solve for x
    x = 11,206,576.46/3,744.70
  6. Step 6: Final answer
    x = 2,992.65

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Similar ratio
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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.