Home / 2,140.62-3,207-1,796.16

Finding the Fourth Proportional to 2,140.62, 3,207 and 1,796.16

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Solution

The fourth proportional to 2,140.62, 3,207 and 1,796.16 is: 2,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.62 : 3,207 = 1,796.16 : x
  2. Step 2: Convert to fraction form
    2,140.62/3,207 = 1,796.16/x
  3. Step 3: Cross multiply
    2,140.62x = 3,207 × 1,796.16
  4. Step 4: Simplify right side
    2,140.62x = 5,760,285.12
  5. Step 5: Solve for x
    x = 5,760,285.12/2,140.62
  6. Step 6: Final answer
    x = 2,690.94

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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.