Home / 2,179.64-3,272.34-1,010.90

Finding the Fourth Proportional to 2,179.64, 3,272.34 and 1,010.90

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Solution

The fourth proportional to 2,179.64, 3,272.34 and 1,010.90 is: 1,517.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.64 : 3,272.34 = 1,010.90 : x
  2. Step 2: Convert to fraction form
    2,179.64/3,272.34 = 1,010.90/x
  3. Step 3: Cross multiply
    2,179.64x = 3,272.34 × 1,010.90
  4. Step 4: Simplify right side
    2,179.64x = 3,308,008.51
  5. Step 5: Solve for x
    x = 3,308,008.51/2,179.64
  6. Step 6: Final answer
    x = 1,517.69

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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.