Home / 3,671.50-5,065.44-2,179.90

Finding the Fourth Proportional to 3,671.50, 5,065.44 and 2,179.90

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Solution

The fourth proportional to 3,671.50, 5,065.44 and 2,179.90 is: 3,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.50 : 5,065.44 = 2,179.90 : x
  2. Step 2: Convert to fraction form
    3,671.50/5,065.44 = 2,179.90/x
  3. Step 3: Cross multiply
    3,671.50x = 5,065.44 × 2,179.90
  4. Step 4: Simplify right side
    3,671.50x = 11,042,152.66
  5. Step 5: Solve for x
    x = 11,042,152.66/3,671.50
  6. Step 6: Final answer
    x = 3,007.53

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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.