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Finding the Fourth Proportional to 3,196, 4,410.48 and 1,954.72

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Solution

The fourth proportional to 3,196, 4,410.48 and 1,954.72 is: 2,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196 : 4,410.48 = 1,954.72 : x
  2. Step 2: Convert to fraction form
    3,196/4,410.48 = 1,954.72/x
  3. Step 3: Cross multiply
    3,196x = 4,410.48 × 1,954.72
  4. Step 4: Simplify right side
    3,196x = 8,621,253.47
  5. Step 5: Solve for x
    x = 8,621,253.47/3,196
  6. Step 6: Final answer
    x = 2,697.51

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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.