Home / 3,577.46-4,936.90-2,005.56

Finding the Fourth Proportional to 3,577.46, 4,936.90 and 2,005.56

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Solution

The fourth proportional to 3,577.46, 4,936.90 and 2,005.56 is: 2,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.46 : 4,936.90 = 2,005.56 : x
  2. Step 2: Convert to fraction form
    3,577.46/4,936.90 = 2,005.56/x
  3. Step 3: Cross multiply
    3,577.46x = 4,936.90 × 2,005.56
  4. Step 4: Simplify right side
    3,577.46x = 9,901,249.16
  5. Step 5: Solve for x
    x = 9,901,249.16/3,577.46
  6. Step 6: Final answer
    x = 2,767.68

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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.