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Finding the Fourth Proportional to 2,179.74, 3,269.52 and 536.25

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Solution

The fourth proportional to 2,179.74, 3,269.52 and 536.25 is: 804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.74 : 3,269.52 = 536.25 : x
  2. Step 2: Convert to fraction form
    2,179.74/3,269.52 = 536.25/x
  3. Step 3: Cross multiply
    2,179.74x = 3,269.52 × 536.25
  4. Step 4: Simplify right side
    2,179.74x = 1,753,280.10
  5. Step 5: Solve for x
    x = 1,753,280.10/2,179.74
  6. Step 6: Final answer
    x = 804.35

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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.