Home / 2,169.32-3,251.58-1,655.24

Finding the Fourth Proportional to 2,169.32, 3,251.58 and 1,655.24

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Solution

The fourth proportional to 2,169.32, 3,251.58 and 1,655.24 is: 2,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.32 : 3,251.58 = 1,655.24 : x
  2. Step 2: Convert to fraction form
    2,169.32/3,251.58 = 1,655.24/x
  3. Step 3: Cross multiply
    2,169.32x = 3,251.58 × 1,655.24
  4. Step 4: Simplify right side
    2,169.32x = 5,382,145.28
  5. Step 5: Solve for x
    x = 5,382,145.28/2,169.32
  6. Step 6: Final answer
    x = 2,481.03

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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.