Home / 3,902.38-5,853.56-1,563.43

Finding the Fourth Proportional to 3,902.38, 5,853.56 and 1,563.43

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Solution

The fourth proportional to 3,902.38, 5,853.56 and 1,563.43 is: 2,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.38 : 5,853.56 = 1,563.43 : x
  2. Step 2: Convert to fraction form
    3,902.38/5,853.56 = 1,563.43/x
  3. Step 3: Cross multiply
    3,902.38x = 5,853.56 × 1,563.43
  4. Step 4: Simplify right side
    3,902.38x = 9,151,631.31
  5. Step 5: Solve for x
    x = 9,151,631.31/3,902.38
  6. Step 6: Final answer
    x = 2,345.14

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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.