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Finding the Fourth Proportional to 3,214.70, 4,816.54 and 1,754.87

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Solution

The fourth proportional to 3,214.70, 4,816.54 and 1,754.87 is: 2,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.70 : 4,816.54 = 1,754.87 : x
  2. Step 2: Convert to fraction form
    3,214.70/4,816.54 = 1,754.87/x
  3. Step 3: Cross multiply
    3,214.70x = 4,816.54 × 1,754.87
  4. Step 4: Simplify right side
    3,214.70x = 8,452,392.78
  5. Step 5: Solve for x
    x = 8,452,392.78/3,214.70
  6. Step 6: Final answer
    x = 2,629.30

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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.