Home / 2,816.35-4,226.22-1,127.44

Finding the Fourth Proportional to 2,816.35, 4,226.22 and 1,127.44

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Solution

The fourth proportional to 2,816.35, 4,226.22 and 1,127.44 is: 1,691.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.35 : 4,226.22 = 1,127.44 : x
  2. Step 2: Convert to fraction form
    2,816.35/4,226.22 = 1,127.44/x
  3. Step 3: Cross multiply
    2,816.35x = 4,226.22 × 1,127.44
  4. Step 4: Simplify right side
    2,816.35x = 4,764,822.29
  5. Step 5: Solve for x
    x = 4,764,822.29/2,816.35
  6. Step 6: Final answer
    x = 1,691.84

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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.