Home / 2,320.12-3,201.96-2,180.04

Finding the Fourth Proportional to 2,320.12, 3,201.96 and 2,180.04

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Solution

The fourth proportional to 2,320.12, 3,201.96 and 2,180.04 is: 3,008.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.12 : 3,201.96 = 2,180.04 : x
  2. Step 2: Convert to fraction form
    2,320.12/3,201.96 = 2,180.04/x
  3. Step 3: Cross multiply
    2,320.12x = 3,201.96 × 2,180.04
  4. Step 4: Simplify right side
    2,320.12x = 6,980,400.88
  5. Step 5: Solve for x
    x = 6,980,400.88/2,320.12
  6. Step 6: Final answer
    x = 3,008.64

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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.