Home / 3,671.18-5,063.99-2,178.09

Finding the Fourth Proportional to 3,671.18, 5,063.99 and 2,178.09

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Solution

The fourth proportional to 3,671.18, 5,063.99 and 2,178.09 is: 3,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.18 : 5,063.99 = 2,178.09 : x
  2. Step 2: Convert to fraction form
    3,671.18/5,063.99 = 2,178.09/x
  3. Step 3: Cross multiply
    3,671.18x = 5,063.99 × 2,178.09
  4. Step 4: Simplify right side
    3,671.18x = 11,029,815.09
  5. Step 5: Solve for x
    x = 11,029,815.09/3,671.18
  6. Step 6: Final answer
    x = 3,004.44

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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.