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Finding the Fourth Proportional to 3,750.56, 5,175.80 and 2,071.92

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Solution

The fourth proportional to 3,750.56, 5,175.80 and 2,071.92 is: 2,859.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.56 : 5,175.80 = 2,071.92 : x
  2. Step 2: Convert to fraction form
    3,750.56/5,175.80 = 2,071.92/x
  3. Step 3: Cross multiply
    3,750.56x = 5,175.80 × 2,071.92
  4. Step 4: Simplify right side
    3,750.56x = 10,723,843.54
  5. Step 5: Solve for x
    x = 10,723,843.54/3,750.56
  6. Step 6: Final answer
    x = 2,859.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.