Home / 2,671.38-3,999.78-2,020.14

Finding the Fourth Proportional to 2,671.38, 3,999.78 and 2,020.14

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Solution

The fourth proportional to 2,671.38, 3,999.78 and 2,020.14 is: 3,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.38 : 3,999.78 = 2,020.14 : x
  2. Step 2: Convert to fraction form
    2,671.38/3,999.78 = 2,020.14/x
  3. Step 3: Cross multiply
    2,671.38x = 3,999.78 × 2,020.14
  4. Step 4: Simplify right side
    2,671.38x = 8,080,115.57
  5. Step 5: Solve for x
    x = 8,080,115.57/2,671.38
  6. Step 6: Final answer
    x = 3,024.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.