Home / 3,577.28-4,936.88-2,005.48

Finding the Fourth Proportional to 3,577.28, 4,936.88 and 2,005.48

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Solution

The fourth proportional to 3,577.28, 4,936.88 and 2,005.48 is: 2,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.28 : 4,936.88 = 2,005.48 : x
  2. Step 2: Convert to fraction form
    3,577.28/4,936.88 = 2,005.48/x
  3. Step 3: Cross multiply
    3,577.28x = 4,936.88 × 2,005.48
  4. Step 4: Simplify right side
    3,577.28x = 9,900,814.10
  5. Step 5: Solve for x
    x = 9,900,814.10/3,577.28
  6. Step 6: Final answer
    x = 2,767.69

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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.