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Finding the Fourth Proportional to 3,630.01, 5,446.23 and 1,439.37

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Solution

The fourth proportional to 3,630.01, 5,446.23 and 1,439.37 is: 2,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.01 : 5,446.23 = 1,439.37 : x
  2. Step 2: Convert to fraction form
    3,630.01/5,446.23 = 1,439.37/x
  3. Step 3: Cross multiply
    3,630.01x = 5,446.23 × 1,439.37
  4. Step 4: Simplify right side
    3,630.01x = 7,839,140.08
  5. Step 5: Solve for x
    x = 7,839,140.08/3,630.01
  6. Step 6: Final answer
    x = 2,159.54

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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.