Home / 2,823.42-4,234.32-1,091.64

Finding the Fourth Proportional to 2,823.42, 4,234.32 and 1,091.64

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Solution

The fourth proportional to 2,823.42, 4,234.32 and 1,091.64 is: 1,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.42 : 4,234.32 = 1,091.64 : x
  2. Step 2: Convert to fraction form
    2,823.42/4,234.32 = 1,091.64/x
  3. Step 3: Cross multiply
    2,823.42x = 4,234.32 × 1,091.64
  4. Step 4: Simplify right side
    2,823.42x = 4,622,353.08
  5. Step 5: Solve for x
    x = 4,622,353.08/2,823.42
  6. Step 6: Final answer
    x = 1,637.15

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1.5x scale

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.