Home / 2,727.32-3,763.70-1,485.32

Finding the Fourth Proportional to 2,727.32, 3,763.70 and 1,485.32

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Solution

The fourth proportional to 2,727.32, 3,763.70 and 1,485.32 is: 2,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.32 : 3,763.70 = 1,485.32 : x
  2. Step 2: Convert to fraction form
    2,727.32/3,763.70 = 1,485.32/x
  3. Step 3: Cross multiply
    2,727.32x = 3,763.70 × 1,485.32
  4. Step 4: Simplify right side
    2,727.32x = 5,590,272.64
  5. Step 5: Solve for x
    x = 5,590,272.64/2,727.32
  6. Step 6: Final answer
    x = 2,049.73

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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.