Home / 2,234.40-3,083.27-1,239.60

Finding the Fourth Proportional to 2,234.40, 3,083.27 and 1,239.60

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Solution

The fourth proportional to 2,234.40, 3,083.27 and 1,239.60 is: 1,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.40 : 3,083.27 = 1,239.60 : x
  2. Step 2: Convert to fraction form
    2,234.40/3,083.27 = 1,239.60/x
  3. Step 3: Cross multiply
    2,234.40x = 3,083.27 × 1,239.60
  4. Step 4: Simplify right side
    2,234.40x = 3,822,021.49
  5. Step 5: Solve for x
    x = 3,822,021.49/2,234.40
  6. Step 6: Final answer
    x = 1,710.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.