Home / 2,847.32-4,270.32-1,091.68

Finding the Fourth Proportional to 2,847.32, 4,270.32 and 1,091.68

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Solution

The fourth proportional to 2,847.32, 4,270.32 and 1,091.68 is: 1,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.32 : 4,270.32 = 1,091.68 : x
  2. Step 2: Convert to fraction form
    2,847.32/4,270.32 = 1,091.68/x
  3. Step 3: Cross multiply
    2,847.32x = 4,270.32 × 1,091.68
  4. Step 4: Simplify right side
    2,847.32x = 4,661,822.94
  5. Step 5: Solve for x
    x = 4,661,822.94/2,847.32
  6. Step 6: Final answer
    x = 1,637.27

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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.