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Finding the Fourth Proportional to 3,601, 4,969.67 and 2,008.16

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Solution

The fourth proportional to 3,601, 4,969.67 and 2,008.16 is: 2,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601 : 4,969.67 = 2,008.16 : x
  2. Step 2: Convert to fraction form
    3,601/4,969.67 = 2,008.16/x
  3. Step 3: Cross multiply
    3,601x = 4,969.67 × 2,008.16
  4. Step 4: Simplify right side
    3,601x = 9,979,892.51
  5. Step 5: Solve for x
    x = 9,979,892.51/3,601
  6. Step 6: Final answer
    x = 2,771.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.