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Finding the Fourth Proportional to 2,375.38, 3,563.07 and 644.01

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Solution

The fourth proportional to 2,375.38, 3,563.07 and 644.01 is: 966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.38 : 3,563.07 = 644.01 : x
  2. Step 2: Convert to fraction form
    2,375.38/3,563.07 = 644.01/x
  3. Step 3: Cross multiply
    2,375.38x = 3,563.07 × 644.01
  4. Step 4: Simplify right side
    2,375.38x = 2,294,652.71
  5. Step 5: Solve for x
    x = 2,294,652.71/2,375.38
  6. Step 6: Final answer
    x = 966.02

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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.