Home / 2,229.78-3,345.30-1,133.94

Finding the Fourth Proportional to 2,229.78, 3,345.30 and 1,133.94

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Solution

The fourth proportional to 2,229.78, 3,345.30 and 1,133.94 is: 1,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.78 : 3,345.30 = 1,133.94 : x
  2. Step 2: Convert to fraction form
    2,229.78/3,345.30 = 1,133.94/x
  3. Step 3: Cross multiply
    2,229.78x = 3,345.30 × 1,133.94
  4. Step 4: Simplify right side
    2,229.78x = 3,793,369.48
  5. Step 5: Solve for x
    x = 3,793,369.48/2,229.78
  6. Step 6: Final answer
    x = 1,701.23

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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.