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Finding the Fourth Proportional to 3,751.47, 5,627.80 and 1,901.83

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Solution

The fourth proportional to 3,751.47, 5,627.80 and 1,901.83 is: 2,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.47 : 5,627.80 = 1,901.83 : x
  2. Step 2: Convert to fraction form
    3,751.47/5,627.80 = 1,901.83/x
  3. Step 3: Cross multiply
    3,751.47x = 5,627.80 × 1,901.83
  4. Step 4: Simplify right side
    3,751.47x = 10,703,118.87
  5. Step 5: Solve for x
    x = 10,703,118.87/3,751.47
  6. Step 6: Final answer
    x = 2,853.05

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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.