Home / 3,671.98-5,065.66-2,179.96

Finding the Fourth Proportional to 3,671.98, 5,065.66 and 2,179.96

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Solution

The fourth proportional to 3,671.98, 5,065.66 and 2,179.96 is: 3,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.98 : 5,065.66 = 2,179.96 : x
  2. Step 2: Convert to fraction form
    3,671.98/5,065.66 = 2,179.96/x
  3. Step 3: Cross multiply
    3,671.98x = 5,065.66 × 2,179.96
  4. Step 4: Simplify right side
    3,671.98x = 11,042,936.17
  5. Step 5: Solve for x
    x = 11,042,936.17/3,671.98
  6. Step 6: Final answer
    x = 3,007.35

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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.