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Finding the Fourth Proportional to 2,751.87, 3,797.36 and 1,509.87

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Solution

The fourth proportional to 2,751.87, 3,797.36 and 1,509.87 is: 2,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.87 : 3,797.36 = 1,509.87 : x
  2. Step 2: Convert to fraction form
    2,751.87/3,797.36 = 1,509.87/x
  3. Step 3: Cross multiply
    2,751.87x = 3,797.36 × 1,509.87
  4. Step 4: Simplify right side
    2,751.87x = 5,733,512.39
  5. Step 5: Solve for x
    x = 5,733,512.39/2,751.87
  6. Step 6: Final answer
    x = 2,083.50

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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.