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Finding the Fourth Proportional to 2,563, 3,844.49 and 920.01

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Solution

The fourth proportional to 2,563, 3,844.49 and 920.01 is: 1,380.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563 : 3,844.49 = 920.01 : x
  2. Step 2: Convert to fraction form
    2,563/3,844.49 = 920.01/x
  3. Step 3: Cross multiply
    2,563x = 3,844.49 × 920.01
  4. Step 4: Simplify right side
    2,563x = 3,536,969.24
  5. Step 5: Solve for x
    x = 3,536,969.24/2,563
  6. Step 6: Final answer
    x = 1,380.01

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Double scale
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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.