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Finding the Fourth Proportional to 3,308.63, 4,566.02 and 1,816.71

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Solution

The fourth proportional to 3,308.63, 4,566.02 and 1,816.71 is: 2,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.63 : 4,566.02 = 1,816.71 : x
  2. Step 2: Convert to fraction form
    3,308.63/4,566.02 = 1,816.71/x
  3. Step 3: Cross multiply
    3,308.63x = 4,566.02 × 1,816.71
  4. Step 4: Simplify right side
    3,308.63x = 8,295,125.11
  5. Step 5: Solve for x
    x = 8,295,125.11/3,308.63
  6. Step 6: Final answer
    x = 2,507.12

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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.