Home / 4,179.60-6,270.21-2,097.90

Finding the Fourth Proportional to 4,179.60, 6,270.21 and 2,097.90

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Solution

The fourth proportional to 4,179.60, 6,270.21 and 2,097.90 is: 3,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.60 : 6,270.21 = 2,097.90 : x
  2. Step 2: Convert to fraction form
    4,179.60/6,270.21 = 2,097.90/x
  3. Step 3: Cross multiply
    4,179.60x = 6,270.21 × 2,097.90
  4. Step 4: Simplify right side
    4,179.60x = 13,154,273.56
  5. Step 5: Solve for x
    x = 13,154,273.56/4,179.60
  6. Step 6: Final answer
    x = 3,147.26

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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.