Home / 2,226.12-3,333.99-1,127.82

Finding the Fourth Proportional to 2,226.12, 3,333.99 and 1,127.82

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Solution

The fourth proportional to 2,226.12, 3,333.99 and 1,127.82 is: 1,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.12 : 3,333.99 = 1,127.82 : x
  2. Step 2: Convert to fraction form
    2,226.12/3,333.99 = 1,127.82/x
  3. Step 3: Cross multiply
    2,226.12x = 3,333.99 × 1,127.82
  4. Step 4: Simplify right side
    2,226.12x = 3,760,140.60
  5. Step 5: Solve for x
    x = 3,760,140.60/2,226.12
  6. Step 6: Final answer
    x = 1,689.10

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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.