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Finding the Fourth Proportional to 2,028.64, 3,041.02 and 641.02

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Solution

The fourth proportional to 2,028.64, 3,041.02 and 641.02 is: 960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.64 : 3,041.02 = 641.02 : x
  2. Step 2: Convert to fraction form
    2,028.64/3,041.02 = 641.02/x
  3. Step 3: Cross multiply
    2,028.64x = 3,041.02 × 641.02
  4. Step 4: Simplify right side
    2,028.64x = 1,949,354.64
  5. Step 5: Solve for x
    x = 1,949,354.64/2,028.64
  6. Step 6: Final answer
    x = 960.92

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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.